40278-59-9

Dihydroxyhexamethylspirobichroman 2,2'-spirobi(6-hydroxy-4,4,7-trimethylchromane) 4,4,4',4',7,7'-Hexamethyl-2,2'-spirobi[chroman]-6,6'-diol 6,6'-DIHYDROXY-4,4,4',4',7,7'-HEXAMETHYL-2,2'-SPIROBICHROMAN 6,6'-DIHYDROXY-4,4,4',4',7,7'-HEXAMETHYL-2,2'-SPIROBISCHROMAN 4,4,4',4',7,7'-hexamethyl-2,2'-spirobi[3H-chromene]-6,6'-diol 6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman&gt 7,7’-Dimethyl-6,6’-dihydroxy-4,4,4’,4’-tetramethylbis-2,2’-spirochroman 6,6'-DIHYDROXY-4,4,4',4',7,7'-HEXAMETHYL-2,2'-SPIROBICHROMAN, 2-PROPANOL ADDUCT 2,2'-Spirobi[2H-1-benzopyran]-6,6'-diol, 3,3',4,4'-tetrahydro-4,4,4',4',7,7'-hexamethyl-