2,2-Dimethylbicyclo(2.2.1)heptane-3-carboxylic acid, methyl ester 2-Norbornanecarboxylic acid, 3,3-dimethyl-, methyl ester 52557-97-8 Bicyclo(2.2.1)heptane-2-carboxylic acid, 3,3-dimethyl-, methyl ester EINECS 258-005-0 Methyl 2,2-dimethylbicyclo(2.2.1)heptane-3-carboxylate Methyl 3,3-dimethylbicyclo(2.2.1)heptane-2-carboxylate Methylcamphenoate