(2S)-4-氧代-1-(9-苯基芴基)-脯氨酸甲酯

2S)-(4R

(2S,3S,4R)-3,4-dihydroxy-N-(9'-phenylfluoren-9'-yl)pyrrolidine-2-carboxylic acid methyl ester

(3aS,4S,6aR)-2,2-Dimethyl-5-(9-phenyl-9H-fluoren-9-yl)-tetrahydro-[1,3]dioxolo[4,5-c]pyrrole-4-carboxylic acid methyl ester