Synonyms: 2-G, 3-(2-Methoxyphenoxy)-1,2-propanediol, 3-(o-Methoxyphenoxy)-1,2-propanediol, Actifed C, Aeronesin, Amonidren, Aresol, Calmipan, Colrex Expectorant, Creson, Dilyn, Equicol, Glycerin guaiacolate, Glycerol guaiacolate, Glyceryl guaiacol ether, Glyceryl guaiacolate, Glyceryl guaiacolate ether, Glyceryl guaiacyl ether, Glycerylguaiacol, Glycodex, Glycotuss, Guaiacol glycerin ether, Guaiacol glycerol ether, Guaiacol glyceryl ether, Guaiacuran, Guaiacurane, Guaiacyl glyceryl ether, Guaiamar, Guaianesin, Guaifenesin, Guaifenesine, Guaiphenesin, Guaiphenesine, Guajacuran, Guanar, Guayanesin, Hustosil, Hytuss, Methphenoxydiol, Miocurin, Mucinex, Muskurelax, My 301, Myocain, Myocaine, Myoscain, NSC 62112, Neuroton, Neurotone, Oresol, Oreson, Organidin NR, Relaxil G, Reorganin, Respenyl, Resyl, Ritussin, Robitussin, SL 90, Sirotol, Tenntus, Tenntuss, Trecid, Tulyn, XL 90, o-Methoxyphenyl glyceryl ether, racemic-Guaifenesin, Giafen,1,2-Propanediol, 3-(o-methoxyphenoxy)- (6CI,8CI), 1,2-Dihydroxy-3-(2-methoxyphenoxy)propane, Glycerol α-(2-methoxyphenyl) ether, Glycerol α-(o-methoxyphenyl)ether, Glycerol α-guaiacyl ether, α-Glyceryl guaiacol ether, α-Glyceryl guaiacolate ether