1,2-Epoxy-p-menth-4(8)-en-3-one 35178-55-3 6-Methyl-3-(1-methylethylidene)-7-oxabicyclo(4.1.0)heptan-2-one 7-Oxabicyclo(4.1.0)heptan-2-one, 6-methyl-3-(1-methylethylidene)- P-Menth-4(8)-en-3-one, 1,2-epoxy- Piperitenone oxide