2-(3,4-dimethyl-benzoyl)-3-methoxy-acrylic acid methyl ester 、
2-氨基-6-甲基吡啶 以to yield 1.12 g of 2-(3,4-Dimethyl-benzoyl)-3-(6-methyl-pyridin-2-ylamino)-acrylic acid methyl ester as brown crystalline solid的产率得到2-(3,4-dimethyl-benzoyl)-3-(6-methyI-pyridin-2-ylamino)-acrylic acid methyl ester