L, u

{
  "id": "MLC-T-CHM-006396",
  "term": "L, u",
  "field": "Chemistry",
  "definition": "Stereodescriptors used to specify the relative configuration of two chiral centers within a molecule. The 'l' (like) descriptor indicates that two chiral centers have the same relative configuration, while 'u' (unlike) indicates opposite relative configurations. These descriptors are applied to acyclic compounds with two or more chiral centers.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "chiral",
    "chirality",
    "chirality element",
    "diastereoisomerism",
    "molecular entity"
  ],
  "references": [
    "PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2211 (https://doi.org/10.1351/pac199668122193)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/l-u/"
}