The chemical Proxyphylline has a known molecular formula of C10-H14-N4-O3. Synonyms may include: Brontyl, 3,7-Dihydro-7-(2-hydroxypropyl)-1,3-dimethyl-1H-purine-2,6-dione, 1,3-Dimethyl-7-(2-hydroxypropyl)xanthine, EINECS 210-028-7, 7-(beta-Hydroxypropyl)-1,3-dimethylxanthine, Hydroxypropyltheophylline, 2-Hydroxypropyl-7-theophylline, 7-(beta-Hydroxypropyl)theophylline, 7-(2-Hydroxypropyl)theophylline, Monophylline (ChemID).