1,4,10-Trioxa-7,13-diazacyclopentadecane, 7,13-bis(8-chloro-7-methyl-7H-purin-6-yl)- 149246-43-5 6,6'-(1,4,10-Trioxa-7,13-diazacyclopentadecane-7,13-diyl)bis(8-chloro-7-methyl-7H-purine) 7H-Purine, 6,6'-(1,4,10-trioxa-7,13-diazacyclopentadecane-7,13-diyl)bis(8-chloro-7-methyl-