coumaran是什么意思

用法例句

Synthesis and characterization of diisopropyloxy phosphoryl coumarins;

二异丙氧基磷酰化香豆素类化合物的合成与表征

Solvent-free synthesis of 7-hydroxy-4-methyl coumarin catalyzed by heteropolyacid;

杂多酸催化7-羟基-4-甲基香豆素的无溶剂合成

Solventless Synthesis of 7-Hydroxy-4-methylcoumarin with Dodecyl Benzene Sulfonic Acid Catalyst;

新型固体酸催化7-羟基-4-甲基香豆素的无溶剂合成

A method for simultaneous separation and determination of two coumarins,dicumarol and cyclocoumarol,in cosmetics by HPLC-diode-array detector(DAD) was developed.

建立了用高效液相色谱(HPLC)/二极管阵列检测器(DAD)测定化妆品中两种香豆素物质——双香豆素和环香豆素的方法。