Chemical Name: (6RS)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione (as per EP) 3-(Aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione (as per USP)
Synonym: Atorvastatin Lactam Methyl Ester
Smile: O=C(/C(N1)=C\N)NC(C2=CC=C(O)C=C2)C1=O