2-甲基丙烯醛 、 10-(1-oxoethyl)-9,10-dihydro-9,10-dimethyl-10,9-(epoxyimino)anthracene 、 alkaline earth salt of/the/ methylsulfuric acid 生成
12-[3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enoyl]-9,10-dimethyl-9,10-dihydro-10,9-oxaazaethano-anthracene