(1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid

C83H92Cl4N10O28S — CID 89002469

IUPAC(1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid
SMILESCN[C@H](CC(C)C)C(=O)NC1C(=O)NC(CC(N)=O)C(=O)N[C@H]2C(=O)N[C@H]3C(=O)N[C@H](C(=O)NC(C(=O)O)c4cc(O)cc(O)c4-c4cc3ccc4O)[C@H](OC3C[C@](C)(N)[C@@H](O)[C@H](C)O3)c3ccc(c(Cl)c3)Oc3cc2cc(c3O[C@@H]2O[C@H](CO)[C@@H](O[C@@H]3O[C@H](CNCc4ccc(-c5ccc(Cl)c(Cl)c5)s4)[C@H](O)[C@H](O)[C@H]3O)[C@H](O)[C@H]2O)Oc2ccc(cc2Cl)[C@H]1O
InChIInChI=1S/C83H92Cl4N10O28S/c1-30(2)16-45(90-5)74(110)96-62-64(103)34-8-13-49(43(86)19-34)119-51-21-36-22-52(71(51)124-82-69(108)67(106)72(54(29-98)122-82)125-81-68(107)66(105)65(104)53(121-81)28-91-27-38-10-15-55(126-38)32-6-11-41(84)42(85)18-32)120-50-14-9-35(20-44(50)87)70(123-57-26-83(4,89)73(109)31(3)118-57)63-79(115)95-61(80(116)117)40-23-37(99)24-48(101)58(40)39-17-33(7-12-47(39)100)59(76(112)97-63)94-77(113)60(36)93-75(111)46(25-56(88)102)92-78(62)114/h6-15,17-24,30-31,45-46,53-54,57,59-70,72-73,81-82,90-91,98-101,103-109H,16,25-29,89H2,1-5H3,(H2,88,102)(H,92,114)(H,93,111)(H,94,113)(H,95,115)(H,96,110)(H,97,112)(H,116,117)/t31-,45+,46?,53+,54+,57?,59+,60+,61?,62?,63-,64+,65-,66-,67+,68+,69+,70+,72+,73-,81-,82-,83-/m0/s1
InChIKeyCASZVTWOAFFMCS-LALXTREYSA-N
MW1851.57 g/mol
LogP2.76
Rot. Bonds20

About (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid

(1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid (PubChem CID 89002469) has the molecular formula C83H92Cl4N10O28S and a molecular weight of 1851.57 g/mol. Its IUPAC name is (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid.

Molecular Properties

Compound Name(1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid
PubChem CID89002469
Molecular FormulaC83H92Cl4N10O28S
Molecular Weight1851.57 g/mol
Exact Mass1848.46
IUPAC Name(1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid
SMILESCN[C@H](CC(C)C)C(=O)NC1C(=O)NC(CC(N)=O)C(=O)N[C@H]2C(=O)N[C@H]3C(=O)N[C@H](C(=O)NC(C(=O)O)c4cc(O)cc(O)c4-c4cc3ccc4O)[C@H](OC3C[C@](C)(N)[C@@H](O)[C@H](C)O3)c3ccc(c(Cl)c3)Oc3cc2cc(c3O[C@@H]2O[C@H](CO)[C@@H](O[C@@H]3O[C@H](CNCc4ccc(-c5ccc(Cl)c(Cl)c5)s4)[C@H](O)[C@H](O)[C@H]3O)[C@H](O)[C@H]2O)Oc2ccc(cc2Cl)[C@H]1O
InChIInChI=1S/C83H92Cl4N10O28S/c1-30(2)16-45(90-5)74(110)96-62-64(103)34-8-13-49(43(86)19-34)119-51-21-36-22-52(71(51)124-82-69(108)67(106)72(54(29-98)122-82)125-81-68(107)66(105)65(104)53(121-81)28-91-27-38-10-15-55(126-38)32-6-11-41(84)42(85)18-32)120-50-14-9-35(20-44(50)87)70(123-57-26-83(4,89)73(109)31(3)118-57)63-79(115)95-61(80(116)117)40-23-37(99)24-48(101)58(40)39-17-33(7-12-47(39)100)59(76(112)97-63)94-77(113)60(36)93-75(111)46(25-56(88)102)92-78(62)114/h6-15,17-24,30-31,45-46,53-54,57,59-70,72-73,81-82,90-91,98-101,103-109H,16,25-29,89H2,1-5H3,(H2,88,102)(H,92,114)(H,93,111)(H,94,113)(H,95,115)(H,96,110)(H,97,112)(H,116,117)/t31-,45+,46?,53+,54+,57?,59+,60+,61?,62?,63-,64+,65-,66-,67+,68+,69+,70+,72+,73-,81-,82-,83-/m0/s1
InChIKeyCASZVTWOAFFMCS-LALXTREYSA-N
XLogP2.76
TPSA601.44 Ų
H-Bond Donors22
H-Bond Acceptors31
Rotatable Bonds20
Heavy Atoms126
Complexity—

Lipinski Rule of Five

3 violations

RuleValue
MW ≤ 5001851.57
LogP ≤ 52.76
H-Bond Donors ≤ 522
H-Bond Acceptors ≤ 1031

Analyze (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid with MolForge

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Frequently Asked Questions

What is the IUPAC name of (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid?
The IUPAC name of (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid (CID 89002469) is (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid.
What is the SMILES notation for (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid?
The canonical SMILES for (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid is CN[C@H](CC(C)C)C(=O)NC1C(=O)NC(CC(N)=O)C(=O)N[C@H]2C(=O)N[C@H]3C(=O)N[C@H](C(=O)NC(C(=O)O)c4cc(O)cc(O)c4-c4cc3ccc4O)[C@H](OC3C[C@](C)(N)[C@@H](O)[C@H](C)O3)c3ccc(c(Cl)c3)Oc3cc2cc(c3O[C@@H]2O[C@H](CO)[C@@H](O[C@@H]3O[C@H](CNCc4ccc(-c5ccc(Cl)c(Cl)c5)s4)[C@H](O)[C@H](O)[C@H]3O)[C@H](O)[C@H]2O)Oc2ccc(cc2Cl)[C@H]1O.
What is the InChIKey of (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid?
The InChIKey is CASZVTWOAFFMCS-LALXTREYSA-N. The full InChI is InChI=1S/C83H92Cl4N10O28S/c1-30(2)16-45(90-5)74(110)96-62-64(103)34-8-13-49(43(86)19-34)119-51-21-36-22-52(71(51)124-82-69(108)67(106)72(54(29-98)122-82)125-81-68(107)66(105)65(104)53(121-81)28-91-27-38-10-15-55(126-38)32-6-11-41(84)42(85)18-32)120-50-14-9-35(20-44(50)87)70(123-57-26-83(4,89)73(109)31(3)118-57)63-79(115)95-61(80(116)117)40-23-37(99)24-48(101)58(40)39-17-33(7-12-47(39)100)59(76(112)97-63)94-77(113)60(36)93-75(111)46(25-56(88)102)92-78(62)114/h6-15,17-24,30-31,45-46,53-54,57,59-70,72-73,81-82,90-91,98-101,103-109H,16,25-29,89H2,1-5H3,(H2,88,102)(H,92,114)(H,93,111)(H,94,113)(H,95,115)(H,96,110)(H,97,112)(H,116,117)/t31-,45+,46?,53+,54+,57?,59+,60+,61?,62?,63-,64+,65-,66-,67+,68+,69+,70+,72+,73-,81-,82-,83-/m0/s1.
What are the key properties of (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid?
(1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid has a molecular weight of 1851.57 g/mol, XLogP of 2.76, 20 rotatable bonds, 22 hydrogen bond donors, and 31 hydrogen bond acceptors.
Where does this data come from?
All data for (1S,2R,18R,25R,28R)-2-[(4S,5R,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6R)-6-[[[5-(3,4-dichlorophenyl)thiophen-2-yl]methylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,32,35,37-tetrahydroxy-19-[[(2R)-4-methyl-2-(methylamino)pentanoyl]amino]-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid is sourced from PubChem (CID 89002469), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).