N-(4-bromophenylsulfonyl)-N'-(2,6-dimethyl-4-oxo-2,5-cyclohexadienylidene)benzamidine

3,5-dimethyl-N-(4-methoxyphenyl)sulfinyl-1,4-benzoquinone monoimine

2,5-Cyclohexadiene-1,4-dione, 2,6-dimethyl-3-(phenylsulfonyl)-

[1,4]benzoquinone-mono-(4-hydroxy-3,5-dimethyl-phenylimine)