8-CHLOROTHEOPHYLLINE8-Chloro-1,3-dimethyl-2,6(1H,3H)-purinedione8-chloro-1,3-dimethyl-1H-purine-2,6(3H,9H)-dione8-氯-1,3-二甲基-2,6(1H,3H)-嘌呤二酮8-氯茶碱8-ChlorotheophyllineNSC 61138-Chloro-1,3-dimethylxanthine1,3-Dimethyl-8-chloroxanthine8-chloro-3,9-dihydro-1,3-dimethyl-1H-Purine-2,6-dione8-Chloro-1,3-dimethyl-2,6-purinedione