1-苯基-1-环己烯

2,3,4,9-四氢-1H-咔唑-1-酮

2-(2-氧代环己基)-1H-异吲哚-1,3(2H)-二酮

2-(4,4-dimethy-4,5-dihydro-oxazo-2-yl)-phenylamine

1-硝基-1-环己烷