DL-酒石酸

2,5-二甲基-对苯醌

2-(3-Methoxyanilino)-6-methyl-1,4-benzoquinone

2-(3-methoxyanilino)-5-methylcyclohexa-2,5-diene-1,4-dione

(4E)-2-methyl-4-[(4-nitrophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one