螺[吲哚啉-3,4-哌啶]-2-酮

二碳酸二叔丁酯

2-吲哚酮

N,N-双(2-氯乙基)氨基甲酸叔丁酯

tert-butyl 1-benzyl-1,2-dihydro-2-oxospiro[3H-indole-3,4'-piperidine]-1'-carboxylate