苯肼

benzyl spiro[indole-3,4'-piperidine]-1'-carboxylate

螺[吲哚啉-3,4’-哌啶]-1’-羧酸苄酯

benzyl 1-(methylsulfonyl)spiro[indoline-3,4’-piperidine]-1‘-carboxylate

N-Boc-O-苄基-D-丝氨酸