Steriochemistry of organic compounds geometrical isomers : methods to distinguish cis and trans Steriochemistry of organic compounds geometrical isomers Steriochemistry of organic compounds optical activity : racemization, resolution assymmetric Steriochemistry of organic compounds optical activity : configuration of optical isomers Steriochemistry of organic compounds optical activity : enantiomers and diasteriomers optical activity : criteria for optical activity