C. I. P. system

https://doi.org/10.1351/goldbook.C01083
Short for Cahn–Ingold–Prelog system.
See: CIP priority
Source:
PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2201 (https://doi.org/10.1351/pac199668122193)