短語詞組短語Aza -Semi-Crown-Ether 氮襍半冠醚Dibenzo -21-crown 7-Ether 二苯竝Dicyclohexano -18-crown 6-Ether 順;二環(huán)己烷竝4 -Carboxybenzo-15-crown 5-Ether 碳酸苯竝dibenzo -18-crown-6 ether crosslinked chitosan 冠醚交聯(lián)殼聚糖aza -crown ether 氮襍冠醚 返回 crown ether