短語詞組短語nitrogen containing heterocyclic compound 氮雜環(huán)化合物nitrogen heterocyclic ring compound 含氮雜環(huán)化合物nitrogen heterocyclic acid 雜原子羧酸nitrogen heterocyclic ring 含氮雜環(huán)nitrogen heterocyclic thiol 氮雜環(huán)硫醇nitrogen heterocyclic rings 含氮雜環(huán)Nitrogen heterocyclic nitramine 氮雜環(huán)硝胺nitrogen heterocyclic polymers 氮雜環(huán)高分子化合物 返回 nitrogen heterocyclic