benzyl 2-[3-chloro-5-[(3-{[(2-methoxyethyl)amino]methyl}phenethyl)amino]-2-methyl-6-oxo-1(6H)-pyrazinyl]acetate 在
三氟乙酸酐 作用下,
生成 Benzyl 2-[3-chloro-5-[(3-{[(2-methoxyethyl)(2,2,2-trifluoroacetyl)amino]methyl}phenethyl)amino]-2-methyl-6-oxo-1(6 H)-pyrazinyl]acetate