右美沙芬EP杂质B 货号:D017003 英文名:Dextromethorphan EP Impurity B 同义词:右美沙芬杂质B;(4bS,8aS,9S)-11-methyl-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthren-3-ol CAS号:125-73-5 分子式:C17H23NO 分子量:257.37 黄金现货 询价订购