Chemical Name: ((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanine
Synonym: Trandolapril ECPPA Impurity
Smiles: O=C(OCC)[C@@H](N[C@@H](C)C(O)=O)CCC1=CC=CC=C1
Inchi: InChI=1S/C21H28N2O5/c1-13(22-16(20(25)26)11-10-14-6-3-2-4-7-14)19(24)23-17-9-5-8-15(17)12-18(23)21(27)28/h2-4,6-7,13,15-18,22H,5,8-12H2,1H3,(H,25,26)(H,27,28)/t13-,15-,16-,17-,18-/m0/s1