3,5-Dimethyl-napqi 74827-85-3 Acetamide, N-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)- Acetyl-3,5-dimethyl-p-benzoquinoneimine N-Acetyl-3,5-dimethyl-4-benzoquinone imine NA-3,5-Bqi