diprophylline diprophylline diprophylline (inn) or dyphylline (usan) (trade names dilor, lufyllin), is a xanthine derivative with bronchodilator and vasodilator effects. it is used in the treatment of respiratory disorders like asthma, cardiac dyspnea, and bronchitis. it acts as an adenosine receptor antagonist and phosphodiesterase inhibitor. diprophyllineclinical datatrade nameslufyllinother names7-(2,3-dihydroxy-propyl)theophyllineahfs/drugs.comconsumer drug informationmedlineplusa682494routes ofadministrationby mouthatc coder03da01 (who) legal statuslegal status us: ℞-only identifiers iupac name 7-(2,3-dihydroxypropyl)-1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione cas number479-18-5 ypubchem cid3182iuphar/bps7070drugbankdb00651 ychemspider3070 yunii263t0e9rr9keggd00691 ychebichebi:4728 ychemblchembl1752 ycomptox dashboard (epa)dtxsid6022975 echa infocard100.006.843 chemical and physical dataformulac10h14n4o4molar mass254.246 g·mol−13d model (jsmol)interactive image smiles o=c2n(c1ncn(c1c(=o)n2c)cc(o)co)c inchi inchi=1s/c10h14n4o4/c1-12-8-7(9(17)13(2)10(12)18)14(5-11-8)3-6(16)4-15/h5-6,15-16h,3-4h2,1-2h3 ykey:kscfjbixmnovsh-uhfffaoysa-n y (verify)