(-)-1,3,3-Trimethyl-2-oxabicyclo(2.2.1)octan-6-one (R)-1,3,3-Trimethyl-2-oxabicyclo(2.2.2)octan-6-one 2-Oxabicyclo(2.2.2)octan-6-one, 1,3,3-trimethyl-, (1R,4S)- 70222-88-7 EINECS 274-451-9