四氢吡咯

2,3-trimethylene-1,2-dihydroquinazolinium picrate

benzo[e]naphth[2,1-b]oxepin-8,13-dione

4-氨基丁醛缩二乙醇

(6-iminocyclohexa-2,4-dien-1-ylidene)methanone