methyl (1s,3s)-1-amino-3-(chlorocarbonyl)cyclobutane-1-carboxylate hydrochloride

methyl 2-(allyl-benzoyl-amino)prop-2-enoate

2-苯甲酰基-2-氮杂双环[2.1.1]己烷-1-羧酸甲酯

2-氮杂双环[2.1.1]己烷-1-羧酸盐酸盐

2-[(叔丁氧基)羰基]-2-氮杂双环[2.1.1]己烷-1-羧酸