About N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide
N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide (PubChem CID 157485907) has the molecular formula C196H170F18N62O10
and a molecular weight of 3895.90 g/mol. Its IUPAC name is N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide.
Frequently Asked Questions
What is the IUPAC name of N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide?
The IUPAC name of N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide (CID 157485907) is N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide.
What is the SMILES notation for N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide?
The canonical SMILES for N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide is Cc1cc(-c2c(C)nn(CC(=O)Nc3ccc(-c4cnccn4)cn3)c2C)ccn1.Cc1cc(-c2c(C)nn(CC(=O)Nc3ccc(-c4cnccn4)cn3)c2C)cnn1.Cc1nn(CC(=O)Nc2ccc(-c3ccc(C#N)cc3)cn2)c(C)c1-c1ccnc(C(F)(F)F)c1.Cc1nn(CC(=O)Nc2ccc(-c3cccnc3)cn2)c(C)c1-c1ccnc(C(F)(F)F)c1.Cc1nn(CC(=O)Nc2ccc(-c3ccnn3C)cn2)c(C)c1-c1ccnc(C(F)(F)F)c1.Cc1nn(CC(=O)Nc2ccc(-c3cnccn3)cn2)c(C)c1-c1ccnn1C.Cc1nn(CC(=O)Nc2ccc(-c3cnccn3)cn2)cc1-c1ccnc(C(F)(F)F)c1.Cc1nn(CC(=O)Nc2ccc(C3=CCOCC3)cn2)c(C)c1-c1ccnc(C(F)(F)F)c1.O=C(Cn1cc(-c2cc(C(F)(F)F)ncn2)cn1)Nc1ccc(-c2cnccn2)cn1.
What is the InChIKey of N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide?
The InChIKey is BWSCFMPQQUFSHR-UHFFFAOYSA-N. The full InChI is InChI=1S/C25H19F3N6O.C23H19F3N6O.C23H22F3N5O2.C22H20F3N7O.C22H21N7O.C21H16F3N7O.C21H20N8O.C20H20N8O.C19H13F3N8O/c1-15-24(19-9-10-30-21(11-19)25(26,27)28)16(2)34(33-15)14-23(35)32-22-8-7-20(13-31-22)18-5-3-17(12-29)4-6-18;1-14-22(16-7-9-28-19(10-16)23(24,25)26)15(2)32(31-14)13-21(33)30-20-6-5-18(12-29-20)17-4-3-8-27-11-17;1-14-22(17-5-8-27-19(11-17)23(24,25)26)15(2)31(30-14)13-21(32)29-20-4-3-18(12-28-20)16-6-9-33-10-7-16;1-13-21(15-6-8-26-18(10-15)22(23,24)25)14(2)32(30-13)12-20(33)29-19-5-4-16(11-27-19)17-7-9-28-31(17)3;1-14-10-17(6-7-24-14)22-15(2)28-29(16(22)3)13-21(30)27-20-5-4-18(11-26-20)19-12-23-8-9-25-19;1-13-16(14-4-5-27-18(8-14)21(22,23)24)11-31(30-13)12-20(32)29-19-3-2-15(9-28-19)17-10-25-6-7-26-17;1-13-8-17(10-25-27-13)21-14(2)28-29(15(21)3)12-20(30)26-19-5-4-16(9-24-19)18-11-22-6-7-23-18;1-13-20(17-6-7-24-27(17)3)14(2)28(26-13)12-19(29)25-18-5-4-15(10-23-18)16-11-21-8-9-22-16;20-19(21,22)16-5-14(26-11-27-16)13-7-28-30(9-13)10-18(31)29-17-2-1-12(6-25-17)15-8-23-3-4-24-15/h3-11,13H,14H2,1-2H3,(H,31,32,35);3-12H,13H2,1-2H3,(H,29,30,33);3-6,8,11-12H,7,9-10,13H2,1-2H3,(H,28,29,32);4-11H,12H2,1-3H3,(H,27,29,33);4-12H,13H2,1-3H3,(H,26,27,30);2-11H,12H2,1H3,(H,28,29,32);4-11H,12H2,1-3H3,(H,24,26,30);4-11H,12H2,1-3H3,(H,23,25,29);1-9,11H,10H2,(H,25,29,31).
What are the key properties of N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide?
N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide has a molecular weight of 3895.90 g/mol, XLogP of 33.38, 45 rotatable bonds, 9 hydrogen bond donors, and 63 hydrogen bond acceptors.
Where does this data come from?
All data for N-[5-(4-cyanophenyl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;N-[5-(3,6-dihydro-2H-pyran-4-yl)-2-pyridinyl]-2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]acetamide;2-[3,5-dimethyl-4-(2-methylpyrazol-3-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(6-methylpyridazin-4-yl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-(2-methyl-4-pyridinyl)pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-[5-(2-methylpyrazol-3-yl)-2-pyridinyl]acetamide;2-[3,5-dimethyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyridin-3-yl-2-pyridinyl)acetamide;2-[3-methyl-4-[2-(trifluoromethyl)-4-pyridinyl]pyrazol-1-yl]-N-(5-pyrazin-2-yl-2-pyridinyl)acetamide;N-(5-pyrazin-2-yl-2-pyridinyl)-2-[4-[6-(trifluoromethyl)pyrimidin-4-yl]pyrazol-1-yl]acetamide is sourced from PubChem (CID 157485907), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).