183-84-6 7,8,15,16-Tetraoxadispiro[5.2.5.2]hexadecane Bis[cyclohexylidene]peroxide Cyclohexanone diperoxide Cyclohexanone peroxide cyclic dimer Cyclohexanone peroxide dimer Dicyclohexylidene diperoxide Dimeric cyclohexanone peroxide NSC236595