2-Thio-8-cyclohexylthiotheophylline 6466-13-3 NSC95899 Theophylline, 8-(cyclohexylthio)-2-thio- Theophylline, 8-cyclohexylthio-2-thio- Uric acid, 8-cyclohexylthio-1,3-dimethyl-2-thio-