EPY0000495
Trandolapril impurity C - (2S,3aR,7aS)-1-[(2S)-2-[[(1S)-3-cyclohexyl-1-(ethoxycarbonyl)propyl]amino]propanoyl]octahydro-1H-indole-2-carboxylic acid (hexahydrotrandolapril)
EPY0000496
Trandolapril impurity D - ethyl (2S)-2-[(3S,5aS,9aR,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl]-4-phenylbutanoate (trandolapril diketopiperazine)