rac-灰黄霉素 EP 杂质 C (脱氢 rac-灰黄霉素) 货号:G027002 英文名:rac-Griseofulvin EP Impurity C (Dehydro rac-Griseofulvin) 同义词:7-chloro-2',4,6-trimethoxy-6'-methyl-3H-spiro[benzofuran-2,1'-cyclohexa[2,5]diene]-3,4'-dione CAS号:7776-77-4 分子式:C17H15ClO6 分子量:350.75 询价订购