4-Hydroxy-N-(1-methyl-2-phenoxyethyl)norephedrine 7-theophyline acetate 60640-79-1 Purine-7-acetic acid, 1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-, 4-hydroxy-alpha-(1-(1-methyl-2-phenoxyethyl)aminoethyl)benzyl alcohol salt TI-72 Teasuprine