1-Oxaspiro(4.5)dec-3-en-2-one, 4-((4-bromophenyl)hydroxymethyl)-3-methyl- 4-((4-Bromophenyl)hydroxymethyl)-3-methyl-1-oxaspiro(4.5)dec-3-en-2-one 4-Bromohydroxybenzyl-3 methyl-2 cyclohexane spiro-4,4-butene-2 olide-4 [French] 86560-18-1 BRN 5090888