2-氯-1H-吲哚-3-甲醛

吲哚-2,3-二酮

5-bromo-3,3-diethyl-1H-indol-2-one

5-bromospiro[1H-indole-3,1'-cyclopentane]-2-one

2,3,5,6-四氢螺[吲哚-3,4-吡喃]-2(1H)-酮