| 5-(m-dioxan-2-yl)-6-methyl-2-norbornen-7-on dimethyl acetal |
| 2-(7,7-dimethoxy-3-methylbicyclo(2.2.1)hept-5-en-2-yl)-3-dioxane |
| 2-(2-(1,3-dioxanyl))-3-methyl-7,7-dimethoxy-5-norbornene |
| 5-(m-dioxan-2-yl)-6-methyl-2-norbornen-7-one dimethyl acetal |
| 5-(m-dioxan-2-yl)-6-methyl-2-norbornen-7-ondimethyl acetal |
