7-[3-[[2-(3,5-dihydroxyphenyl)-2-hydroxyethyl]amino]propyl]-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione, 7-{3-[2-(3,5-dihydroxyphenyl)-2-hydroxyethylamino]-propyl}-theophylline, Theophylline,7-(3-((2-(3,5-dihydroxyphenyl)-2-hydroxyethyl)amino)propyl), Reproterolum [INN-Latin], EINECS 258-956-1, 7-{3-[2-(3,5-dihydroxy-phenyl)-2-hydroxy-ethylamino]-propyl}-1,3-dimethyl-3,7-dihydro-purine-2,6-dione, Reproterol, Reproterol [INN:BAN], D 1959, 7-<3-<2-(3,5-dihydroxyphenyl)-2-hydroxyethylamino>propyl>-theophyllin