英文同义词
Cryptand 211;C-211;7,13-(Oxybisethylene)-1,4,10-trioxa-7,13-diazacyclopentadecane;4,10-(Ethylenebisoxybisethylene)-1,7-dioxa-4,10-diazacyclododecane;[2.1.1]Cryptand;cryptating agent 211;KRYPTOFIX 211 FOR SYNTHESIS;4,7,13,18-TETRAOXA-1,10-DIAZABICYCLO[8.5.5]EICOSANE