(1S,3S,5S)-2-氮杂双环[3,3,0]辛烷-3-羧酸苄酯盐酸盐

benzyl (3aS,6aS)-3,3a,4,5,6,6a-hexahydrocyclopenta[b]pyrrole-2-carboxylate

(S)-N-cyclopentylidene-2-(methoxymethyl)pyrrolidin-1-amine

环戊酮