短語詞組短語nitrogen heterocyclic ring compound 含氮雜環(huán)化合物heterocyclic azo compound 雜環(huán)偶氮絡(luò)合劑heterocyclic nitrogen compound 雜環(huán)氮化物heterocyclic oxygen compound detail 氧雜環(huán)化合物heterocyclic selenium compound 硒雜環(huán)化合物heterocyclic boron compound 硼雜環(huán)化合物arsenic heterocyclic compound [有化]砷雜環(huán)化合物azotic heterocyclic compound 氮雜環(huán)化合物fused phosphorus heterocyclic compound 含磷稠雜環(huán) 返回 heterocyclic compound