(1S,2S,5R)-(+)-2,10-Epoxypinane (1S-(1alpha,2beta,5alpha))-6,6-Dimethylspiro(bicyclo(3.1.1)heptane-2,2'-oxirane) 18680-30-3 EINECS 242-498-4 Pinane, 2,10-epoxy-, (1S,2S,5R)-(+)-