2437-97-0 4,7,7-Trimethyl-6-oxabicyclo(3.2.1)oct-3-ene 497-31-4 6-Oxabicyclo(3.2.1)oct-3-ene, 4,7,7-trimethyl- 60761-04-8 AI3-22990 EINECS 219-446-4 NSC 407159 Pinol dl-4,7,7-Trimethyl-6-oxabicyclo(3.2.1)oct-3-ene p-Menth-1-ene, 6,8-epoxy- (8CI)