37715-47-2
5,7-dimethoxy-4-methyl-3H-2-benzofuran-1-one
→
~93%
27979-57-3
马替麦考酚酸(霉酚酸)杂质1
24282-61-9
7-hydroxy-5-methoxy-4-methylphthalide
~80%
84280-65-9
3-acetyl-4-(1-(methoxycarbonyl)ethyl)-2,5-dihydrofuran-2-one
~24%