1-Methyl-3-isobutylxanthine

**Definition:** A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES

**Tree numbers:** - D03.633.100.759.758.824.751.500

**Synonyms:** - 3-Isobutyl-1-methylxanthine - IBMX - Isobutyltheophylline