7,8,15,16-Tetraoxadispiro[5.2.5.2]hexadecane Dicyclohexanone Diperoxide Dispiro[cyclohexane-1,3'-[1,2,4,5]tetroxane-6',1''-cyclohexane] Bis[cyclohexylidene]peroxide Cyclohexanone peroxide cyclic dimer Cyclohexanone peroxide dimer Dicyclohexylidene diperoxide Dimeric cyclohexanone peroxide