1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate

C171H156N48O19S — CID 159975600

About 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate

1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate (PubChem CID 159975600) has the molecular formula C171H156N48O19S and a molecular weight of 3219.51 g/mol. Its IUPAC name is 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate.

Molecular Properties

• Compound Name: 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate
• PubChem CID: 159975600
• Molecular Formula: C171H156N48O19S
• Molecular Weight: 3219.51 g/mol
• Exact Mass: 3217.24
• IUPAC Name: 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate
• SMILES: C=CCNC(=O)Nc1ccc2ncc(-c3ccc(OC(=O)c4ccc(N(C)C)cc4)cc3)nc2n1.C=CCNC(=O)Nc1ccc2ncc(-c3ccc(OC(C)=O)cc3)nc2n1.C=CCNC(=O)Nc1ccc2ncc(-c3ccc(OS(C)(=O)=O)cc3)nc2n1.C=CCNC(=O)Nc1ccc2ncc(-c3ccc(Oc4ccccc4)cc3)nc2n1.CCNC(=O)Nc1ccc2nc(-c3ccccn3)c(-c3ccccn3)nc2n1.CCNC(=O)Nc1ccc2nc(C)c(C)nc2n1.CCNC(=O)Nc1ccc2ncc(-c3ccc(O)cc3)nc2n1.CNC(=O)Nc1ccc2ncc(-c3ccc(O)cc3)nc2n1.O=C(NCCc1ccccc1)Nc1ccc2ncc(-c3ccccc3)nc2n1
• InChI: InChI=1S/C26H24N6O3.C23H19N5O2.C22H19N5O.C20H17N7O.C19H17N5O3.C18H17N5O4S.C16H15N5O2.C15H13N5O2.C12H15N5O/c1-4-15-27-26(34)31-23-14-13-21-24(30-23)29-22(16-28-21)17-7-11-20(12-8-17)35-25(33)18-5-9-19(10-6-18)32(2)3;1-2-14-24-23(29)28-21-13-12-19-22(27-21)26-20(15-25-19)16-8-10-18(11-9-16)30-17-6-4-3-5-7-17;28-22(23-14-13-16-7-3-1-4-8-16)27-20-12-11-18-21(26-20)25-19(15-24-18)17-9-5-2-6-10-17;1-2-21-20(28)26-16-10-9-15-19(25-16)27-18(14-8-4-6-12-23-14)17(24-15)13-7-3-5-11-22-13;1-3-10-20-19(26)24-17-9-8-15-18(23-17)22-16(11-21-15)13-4-6-14(7-5-13)27-12(2)25;1-3-10-19-18(24)23-16-9-8-14-17(22-16)21-15(11-20-14)12-4-6-13(7-5-12)27-28(2,25)26;1-2-17-16(23)21-14-8-7-12-15(20-14)19-13(9-18-12)10-3-5-11(22)6-4-10;1-16-15(22)20-13-7-6-11-14(19-13)18-12(8-17-11)9-2-4-10(21)5-3-9;1-4-13-12(18)17-10-6-5-9-11(16-10)15-8(3)7(2)14-9/h4-14,16H,1,15H2,2-3H3,(H2,27,29,30,31,34);2-13,15H,1,14H2,(H2,24,26,27,28,29);1-12,15H,13-14H2,(H2,23,25,26,27,28);3-12H,2H2,1H3,(H2,21,25,26,27,28);3-9,11H,1,10H2,2H3,(H2,20,22,23,24,26);3-9,11H,1,10H2,2H3,(H2,19,21,22,23,24);3-9,22H,2H2,1H3,(H2,17,19,20,21,23);2-8,21H,1H3,(H2,16,18,19,20,22);5-6H,4H2,1-3H3,(H2,13,15,16,17,18)
• InChIKey: OFCOZJSPOYHGHV-UHFFFAOYSA-N
• XLogP: 28.16
• TPSA: 892.88 Ų
• H-Bond Donors: 20
• H-Bond Acceptors: 49
• Rotatable Bonds: 40
• Heavy Atoms: 239
• Complexity: —

Lipinski Rule of Five

4 violations

Rule	Value
MW ≤ 500	3219.51
LogP ≤ 5	28.16
H-Bond Donors ≤ 5	20
H-Bond Acceptors ≤ 10	49

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'isolated_alkene', 'substructure': 'N/A'}, {'alert_name': 'phenol_ester', 'substructure': 'N/A'}, {'alert_name': 'Sulfonic_acid_1', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate?

The IUPAC name of 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate (CID 159975600) is 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate.

What is the SMILES notation for 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate?

The canonical SMILES for 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate is C=CCNC(=O)Nc1ccc2ncc(-c3ccc(OC(=O)c4ccc(N(C)C)cc4)cc3)nc2n1.C=CCNC(=O)Nc1ccc2ncc(-c3ccc(OC(C)=O)cc3)nc2n1.C=CCNC(=O)Nc1ccc2ncc(-c3ccc(OS(C)(=O)=O)cc3)nc2n1.C=CCNC(=O)Nc1ccc2ncc(-c3ccc(Oc4ccccc4)cc3)nc2n1.CCNC(=O)Nc1ccc2nc(-c3ccccn3)c(-c3ccccn3)nc2n1.CCNC(=O)Nc1ccc2nc(C)c(C)nc2n1.CCNC(=O)Nc1ccc2ncc(-c3ccc(O)cc3)nc2n1.CNC(=O)Nc1ccc2ncc(-c3ccc(O)cc3)nc2n1.O=C(NCCc1ccccc1)Nc1ccc2ncc(-c3ccccc3)nc2n1.

What is the InChIKey of 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate?

The InChIKey is OFCOZJSPOYHGHV-UHFFFAOYSA-N. The full InChI is InChI=1S/C26H24N6O3.C23H19N5O2.C22H19N5O.C20H17N7O.C19H17N5O3.C18H17N5O4S.C16H15N5O2.C15H13N5O2.C12H15N5O/c1-4-15-27-26(34)31-23-14-13-21-24(30-23)29-22(16-28-21)17-7-11-20(12-8-17)35-25(33)18-5-9-19(10-6-18)32(2)3;1-2-14-24-23(29)28-21-13-12-19-22(27-21)26-20(15-25-19)16-8-10-18(11-9-16)30-17-6-4-3-5-7-17;28-22(23-14-13-16-7-3-1-4-8-16)27-20-12-11-18-21(26-20)25-19(15-24-18)17-9-5-2-6-10-17;1-2-21-20(28)26-16-10-9-15-19(25-16)27-18(14-8-4-6-12-23-14)17(24-15)13-7-3-5-11-22-13;1-3-10-20-19(26)24-17-9-8-15-18(23-17)22-16(11-21-15)13-4-6-14(7-5-13)27-12(2)25;1-3-10-19-18(24)23-16-9-8-14-17(22-16)21-15(11-20-14)12-4-6-13(7-5-12)27-28(2,25)26;1-2-17-16(23)21-14-8-7-12-15(20-14)19-13(9-18-12)10-3-5-11(22)6-4-10;1-16-15(22)20-13-7-6-11-14(19-13)18-12(8-17-11)9-2-4-10(21)5-3-9;1-4-13-12(18)17-10-6-5-9-11(16-10)15-8(3)7(2)14-9/h4-14,16H,1,15H2,2-3H3,(H2,27,29,30,31,34);2-13,15H,1,14H2,(H2,24,26,27,28,29);1-12,15H,13-14H2,(H2,23,25,26,27,28);3-12H,2H2,1H3,(H2,21,25,26,27,28);3-9,11H,1,10H2,2H3,(H2,20,22,23,24,26);3-9,11H,1,10H2,2H3,(H2,19,21,22,23,24);3-9,22H,2H2,1H3,(H2,17,19,20,21,23);2-8,21H,1H3,(H2,16,18,19,20,22);5-6H,4H2,1-3H3,(H2,13,15,16,17,18).

What are the key properties of 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate?

1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate has a molecular weight of 3219.51 g/mol, XLogP of 28.16, 40 rotatable bonds, 20 hydrogen bond donors, and 49 hydrogen bond acceptors.

Where does this data come from?

All data for 1-(2,3-dimethylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-(2,3-dipyridin-2-ylpyrido[2,3-b]pyrazin-6-yl)-3-ethylurea;1-ethyl-3-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]urea;1-[3-(4-hydroxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-methylurea;1-[3-(4-phenoxyphenyl)pyrido[2,3-b]pyrazin-6-yl]-3-prop-2-enylurea;1-(2-phenylethyl)-3-(3-phenylpyrido[2,3-b]pyrazin-6-yl)urea;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] acetate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] 4-(dimethylamino)benzoate;[4-[6-(prop-2-enylcarbamoylamino)pyrido[2,3-b]pyrazin-3-yl]phenyl] methanesulfonate is sourced from PubChem (CID 159975600), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).