methylcoumarin

美 　英

• 網(wǎng)絡(luò)甲基香豆素

例句

washing a mixture after the reaction with acid, and drying to obtain a crude product of the 7-diethylamino-4-methylcoumarin;

反應(yīng)后的混合物酸洗、干燥，得到7-二乙氨基-4-甲基香豆素粗產(chǎn)物；