1-氯-9h-2,4,9-三氮杂芴

4-氧代嘧啶并[5,6-b]吲哚

1-{4-[2-(3,4-difluorophenyl)ethyl]piperazin-1-yl}-9H-2,4,9-triazafluoren-6-ylamine

4-diethylaminopyrimido<5,4-b>indole

1-chloro-6-nitro-9H-2,4,9-triazafluorene