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Icosahydrodibenzobkhexaoxacyclooctadecine .svg validSVG Structure of icosahydrodibenzob hexaoxacyclooctadecine Own Emeldir talk aR aS aR aS icosahydrodibenzob hexaoxacyclooctadecin Dicyclohexano hexaoxacyclooctadecane Hexaoxatricyclo hexacosane Hexaoxatricyclo hexacosane cisDicyclohexanocrown cisDicyclohexanocrown