ent

https://doi.org/10.1351/goldbook.E02129
A prefix used to indicate the @E02069@ for natural products and related molecules where the @T06516@ only refers to one @E02069@, e.g. ent-kaurene is the @E02069@ of kaurene.
Source:
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2208 [Terms] [Paper]