2-Norbornene-5-endo-carboxamide, 5-exo-methyl- 5-exo-Methyl-2-norbornene-5-endo-carboxamide 51757-86-9 Bicyclo(2.2.1)hept-5-ene-2-carboxamide, 2-methyl-, endo- (9CI) NSC 110581