3-(Pentylcarbamoyl)-7-oxabicyclo(2.2.1)heptane-2-carboxylic acid 7-Oxabicyclo(2.2.1)heptane-2-carboxylic acid, 3-(pentylcarbamoyl)- 73806-05-0 N-Amyl-3,6-endoxohexahydro-phthalamic acid