1H-Purine-2,6-dione, 8-(butylthio)-3,7-dihydro-3,7-dimethyl- 74039-56-8 8-(Butylthio)theobromine NSC81492 Theobromine, 8-(butylthio)- WLN: T56 BN DN FNVMVJ B1 CS4 F1