片语
unsaturated acylic hydrocarbon不饱和链烃
unsaturated aliphatic hydrocarbon不饱和脂肪烃
unsaturated benzene hydrocarbon不饱和苯烃
unsaturated acyclic hydrocarbon不饱和无环烃
alicyclic unsaturated hydrocarbon[有化]
unsaturated U hydrocarbon不饱和烃
aliphatic unsaturated hydrocarbon不饱和脂族烃
unsaturated e hydrocarbon不饱和烃