水飞蓟宾杂质4 货号:S040004 英文名:Silybin impurity 4 同义词:(2R,3R)-3,5,7-trihydroxy-2-((2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-7-yl)chroman-4-one CAS号:142796-22-3 分子式:C25H22O10 分子量:482.44 询价订购