2,5-降冰片二烯 、
2-(nona-5,8-diynyloxy)tetrahydro-2H-pyran 、 alkaline earth salt of/the/ methylsulfuric acid 生成 2-(1-Oxo-3a,4,7,7a-tetrahydro-1H-4,7-methano-inden-2-ylmethyl)-3-[4-(tetrahydro-pyran-2-yloxy)-butyl]-3a,4,7,7a-tetrahydro-4,7-methano-inden-1-one 、 3-(1-Oxo-3a,4,7,7a-tetrahydro-1H-4,7-methano-inden-2-ylmethyl)-2-[4-(tetrahydro-pyran-2-yloxy)-butyl]-3a,4,7,7a-tetrahydro-4,7-methano-inden-1-one