.beta.-Chloroethyltheophylline 1H-Purine-2,6-dione, 7-(2-chloroethyl)-3,7-dihydro-1,3-dimethyl- 5878-61-5 7-(.beta.-Chlorethyl)theophylline 7-(.beta.-Chloroethyl)theophylline 7-(2-Chloroethyl)theophylline 7-(Chloroethyl)theophylline Benaphyllin Eupnophile NSC337614 Theophylline, 7-(2-chloroethyl)- WLN: T56 BN DN FNVNVJ B2G F1 H1