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Chloromethyl ethyl carbonate 9-Propenyladenine phenyl hydrogen ((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonate ChloroMethyl Methyl Carbonate Tenofovir Alafenamide Diethyl-carbaMic Acid ChloroMethyl Ester D-Alanine Isopropyl Ester HCl Ethyl L-alaninate hydrochloride L-Alanine (R)-(+)-9-(2-Hydroxypropyl)adenine