There are multiple definitions:

1. azithromycin(English)

   • usually denoted as AZM
   • AZM, NGU
   • Microbiology, Urology
   • https://doi.org…1093/jac/dku164
   • https://doi.org…ceutics17030304
   • https://doi.org…ere.2024.143480

2. azetidine-2-carboxylic acid(English)

   • also as azetidine-2-carboxylate
   • Biochemistry, Microbiology
   • https://doi.org…brc.2015.05.025