2-(1,2-benzoxazol-3-yl)acetic acid

Pharmaceutical intermediate

Pinoresinol

Phytoestrogen and hypoglycemic agent

1,2-Pyrrolidinedicarboxylic acid, 4-cyano-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S,4S)-

Pharmaceutical intermediate for Velpatasvir

7-Nitroso-3-(trifluoromethyl)-5,6,7,8-tetrahydro-(1,2,4)triazolo(4,3-a)pyrazine; 7-nitroso-3-(trifluoromethyl)-5H,6H,7H,8H-(1,2,4)triazolo(4,3-a)pyrazine

Nitrosamine impurity for sitagliptin