甲基碘化镁 、
crotonoyl fluoride 、 alkaline earth salt of/the/ methylsulfuric acid 生成
6-Hydroxy-4-methoxy-1,6-dimethyl-4,5,6,6a-tetrahydro-1H-pentalen-2-one 、 6-Hydroxy-4-methoxy-1,6-dimethyl-4,5,6,6a-tetrahydro-1H-pentalen-2-one 、 6-Hydroxy-4-methoxy-1,6-dimethyl-4,5,6,6a-tetrahydro-1H-pentalen-2-one