5-硝基水杨酸

苦味酸

1-烯丙基-1H-吲哚-2,3-二酮

8H,16H-pyrido[1,2,3-s,t]-indolo[1,2-a]azepino[3,4-b]indol-17-one

1-allyl-10'-allyloxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one