IBMX, 3-Isobutyl-1-methyxanthine, 3-Isobutyl-1-methylxanthine, 1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione, isobutylmethylxanthine, Xanthine,3-isobutyl-1-methyl, 1-METHYL-3-ISOBUTYLXANTHINE, 3-isobutylmethylxanthine, 1H-Purine-2,6-dione, 3,7-dihydro-1-methyl-3-(2-methylpropyl)-, Methylisobutylxanthine, Methylergometrine maleate, 3-Isobutyl-1-methylxanthine (IBMX)