(1R,2R,4S)-2-chlorobicyclo[2.2.1]heptane InChI=1/C7H11Cl/c8-7-4-5-1-2-6(7)3-5/h5-7H,1-4H2/t5-,6+,7+/m0/s bicyclo[2.2.1]heptane, 2-chloro-, (1R,2R,4S)-