3-hydroxy-6-methoxybenzene-1,2-dicarbonitrile

2-chloro-6,8-dimethoxynaphthalene-1,4-dione

2-(4-methylphenyl)sulfanylcyclohexa-2,5-diene-1,4-dione

2,3,6-三氯氢醌

2-chloro-5-phenylcyclohexa-2,5-diene-1,4-dione