伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。

Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.

youdao

同皮肤细胞匀浆代谢相似，酮洛芬异丙酯被代谢成原药酮洛芬。

Ketoprofen isopropyl ester was hydrolyzed into ketoprofen when penetrated through the cultured skin, which resembled in the skin cell homogenates metabolism.

youdao

前言：以2′，5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮，再经催化氢化得到标题化合物。

6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.

youdao

前言：以2′，5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮，再经催化氢化得到标题化合物。

6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.

youdao