5,5,9-trimethyltricyclo<7.2.2.01,6>tridec-6-en-10-one

5,5,9-trimethyl-10-oxatricyclo<7.3.2.01,6>tetradec-6-en-11-one

Bicyclo[3.2.2]non-6-en-2-ol,2-[2-(2-ethyl-1,3-dioxolan-2-yl)ethyl]-1-methoxy-5-methyl-,(1a,2b,5b)-(±)-