4-bromo-1,2,3,6,7,8-hexahydropyrene

9-methyl-5a,6,7,8-tetrahydro-5H-pyren-4-one

5-methyl-4,5,5a,6,7,8-hexahydro-pyren-4-ol

甲基锂

1-Methyl-7-hydroxy-1,2,2a,3,4,5-hexahydropyren