title: Doubling spectroscopy challenge.
authors.affiliation: Institute of Organic Chemistry and Biochemistry, University of Technology Darmstadt, Alarich-Weiss-Str. 4, 64287, Darmstadt, Germany. meusi@oc.chemie.tu-darmstadt.de.
authors.forename: Reinhard
authors.initials: R
authors.lastname: Meusinger
mesh_terms: D019380:Anti-HIV Agents / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D011522:Protons; D013816:Thermodynamics; D016047:Zalcitabine / Q000031:analogs & derivatives* / Q000737:chemistry
chemical_list: D019380:Anti-HIV Agents; D011522:Protons; D016047:Zalcitabine; C099405:dexelvucitabine