Molecular Structure: Stereochemistry: R/S Nomenclature
Enantiomers: One of a pair of molecular entities which are mirror images of each other and non-superposable, i.e. which are chiral.
Cahn-Ingold-Prelog rules: see Wikipedia
Reference : IUPAC GoldBook
Reference : Cahn, R. S.; Ingold, C. and Prelog, V.
Specification of Molecular Chirality, Angew. Chem., Int. ed. Eng., 1966, 5, 385-415