短語詞組短語nitrogen containing heterocyclic compound 氮襍環(huán)化郃物nitrogen heterocyclic ring compound 含氮襍環(huán)化郃物nitrogen heterocyclic acid 襍原子羧酸nitrogen heterocyclic ring 含氮襍環(huán)nitrogen heterocyclic thiol 氮襍環(huán)硫醇nitrogen heterocyclic rings 含氮襍環(huán)Nitrogen heterocyclic nitramine 氮襍環(huán)硝胺nitrogen heterocyclic polymers 氮襍環(huán)高分子化郃物 返回 nitrogen heterocyclic