4791-38-2 6-Thio-8-(N-hexylthio)theophylline 6-Thio-8-n-hexylthiotheophylline BRN 1140738 NSC 95902 Theophylline, (8-hexylthio)-6-thio- Theophylline, 8-hexylthio-6-thio- Uric acid, 1,3-dimethyl-8-hexylthio-6-thio-