Ethyl 5-[3-(2-methoxyethoxymethoxy)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-ylselenyl]-3-methylpent-2-en-4-ynoate 生成 5-[3-(2-Methoxyethoxymethoxy)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-ylselenyl]-3-methylpent-2-en-4-ynoic acid