4-methyl-5-morpholin-4-ylcyclohexa-3,5-diene-1,2-dione

4-(3-methylphenazin-2-yl)morpholine

dimethyl (2Z,4Z)-3-methylhexa-2,4-dienedioate

2-羟基-5-甲基苯醌

2-(3-methyl-5-oxo-2H-furan-2-yl)acetic acid