(1S-(1alpha,2alpha,4alpha,6alpha))-2,2,7-Trimethyl-3-oxatricyclo(4.1.1.02,4)octane 14575-92-9 3-Oxatricyclo(4.1.1.0(sup 2,4))octane, 2,7,7-trimethyl-, d- EINECS 238-617-4 d-2,7,7-Trimethyl-3-oxatricyclo(4.1.1.0(sup 2,4))octane