1H-Purine-2,6-dione, 7-(3-(dibutylamino)-2-hydroxypropyl)-3,7-dihydro-1,3-dimethyl- 5-26-14-00052 (Beilstein Handbook Reference) 5047-75-6 7-(3-(Dibutylamino)-2-hydroxypropyl)theophylline BRN 0579085 Theophylline, 7-(3-(dibutylamino)-2-hydroxypropyl)-