l

https://doi.org/10.1351/goldbook.L03422
  1. An obsolete prefix for (−)-,
    See:
    d, l, dl
  2. For like and unlike @D01679@
    See:
    l, u
Source:
PAC, 1996, 68, 2193.(Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2211 [Terms] [Paper]