2,12-dihydroxy-cycloeicosane-1,11-dione

2-羟基环癸酮

1-[chloro-bis(4-methylphenyl)methyl]-4-methylbenzene

3-溴二氢-2H-吡喃-4(3h)-酮

3,5-dibromo-tetrahydro-pyran-4-one