title: Experimental compound letter designations.
abstract: Most companies use a system of letters and numbers to identify their experimental compounds before they have a name. A list of over 250 of the letter designations used by various companies is presented.
authors: H
authors: H
authors: Engelbert
mesh_terms: D000004:Abbreviations as Topic; D004345:Drug Industry / Q000379:methods*; D006801:Humans; D004364:Pharmaceutical Preparations
chemical_list: D004364:Pharmaceutical Preparations