Chemical Name: 3,3’-(Pyrazine-2,5-diyl)dipropionic acid (as per USP)
Synonym: O-Desmethyl Diltiazem HCl ; (2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate HCl
Smile: O=C(O)CCC1=NC=C(CCC(O)=O)N=C1