(-)-Isochaminic acid 7,7,-Dimethyl-bicyclo[4.1.0]hept-2-ene-3-carboxylic acid InChI=1/C10H14O2/c1-10(2)7-4-3-6(9(11)12)5-8(7)10/h5,7-8H,3-4H2,1-2H3,(H,11,12)/t7-,8+/m1/s bicyclo[4.1.0]hept-2-ene-3-carboxylic acid, 7,7-dimethyl-, (1S,6R)- rel-(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxylic acid