2-(S-1-phenylethylamino)-cyclohex-1-enecarboxylic acid ethyl ester

2-环己酮甲酸乙酯

(1R,2S)-ethyl 2-((S)-1-phenylethylamino)cyclohexanecarboxylate

反-2-氨基-1-环己羧酸

9-芴甲基-N-琥珀酰亚胺基碳酸酯