4-[(E)-2-(2,3,5,6,8,9,11,12,14,15-decahydrobenzo-1,4,7,10,13,16-hexaoxacyclooctadecin-18-yl)-1-ethynyl]-1-ethylpyridinium iodide 生成 r-4-[c-2,t-4-di(2,3,5,6,8,9,11,12,14,15-decahydrobenzo-1,4,7,10,13,16-hexaoxacyclooctadecin-18-yl)-t-3-(1-ethylpyridinium-4-yl)cyclobutyl]-1-ethylpyridinium diiodate