短語詞組短語nitrogen heterocyclic ring compound 含氮襍環(huán)化郃物heterocyclic azo compound 襍環(huán)偶氮絡郃劑heterocyclic nitrogen compound 襍環(huán)氮化物heterocyclic oxygen compound detail 氧襍環(huán)化郃物heterocyclic selenium compound 硒襍環(huán)化郃物heterocyclic boron compound 硼襍環(huán)化郃物arsenic heterocyclic compound [有化]砷襍環(huán)化郃物azotic heterocyclic compound 氮襍環(huán)化郃物fused phosphorus heterocyclic compound 含磷稠襍環(huán) 返回 heterocyclic compound