(7Z)-4-methyl-7-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,3-dihydro-1H-1,4-diazepine-5-carboxylic acid

N-甲基乙二胺

苯甲酰氯

2-巯基苯并恶唑

2-乙酰基苯基氰酸酯