1-benzylpyridin-1-ium-3-carboxamide

1,4-二乙酰基-2,3-二氰苯

4-amino-3-chloro-4-hydroxycyclohexa-2,5-dien-1-one

4,5-dibromo-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile

2,3,5-tribromo-6-chlorocyclohexa-2,5-diene-1,4-dione