結(jié)構(gòu)式 Structural FormulaCAS號(hào)473-98-3。CAS No.473-98-3.分子式分子量結(jié)構(gòu)類(lèi)型C30H50O2。442。三萜類(lèi)。Molecular FormulaMolecular WeightType of StructureC30H50O2.442.Triterpenes.主要來(lái)源樺木科植物白樺Betulaplatyphylla Suk.的干燥樹(shù)皮。Main SourceThe dried bark of Betu (共 1398 字) [閱讀本文] >>