2,2-Dimethyl-3-(3-methyl-2,4-dimethyl-pentadienyl)oxirane 2,2-Dimethyl-3-(3-methylpenta-2,4-dienyl)oxirane 6,7-Epoxy-3,7-dimethyl-1,3-octadiene 69103-20-4 EINECS 273-870-4 Oxirane, 2,2-dimethyl-3-(3-methyl-2,4-pentadienyl)-