(1S,2R,5R)-2,10-Epoxypinane (1S-(1alpha,2alpha,5alpha))-6,6-Dimethylspiro(bicyclo(3.1.1)heptane-2,2'-oxirane) 23516-38-3 EINECS 245-708-2 Pinane, 2,10-epoxy-, (1S,2R,5R)-