(Sp-4-4)-[N-[phenyl[2-[[[(1R,2S)-1-(phenylmethyl)-2-pyrrolidinyl-κN]carbonyl]amino-κN]phenyl]methylene]glycinato(2-)-κN,κO]nickel96293-19-5100 % similar 1-Benzyl-2-(methoxycarbonyl)azetidine18085-37-534 % similar (Benzyloxycarbonyl)glycyl-L-proline1160-54-930 % similar