N-{3-[3-CYCLOPROPYL-5-(2-FLUORO-4-IODOPHENYLAMINO)-6,8-DIMETHYL-2,4,7-TRIOXO-3,4,6,7-TETRAHYDRO-2H-PYRIDO[4,3-D]PYRIMIDIN-1-YL]-PHENYL}-CYCLOPROPANECARBOXAMIDE DIMETHYL SULPHOXIDE SOLVATE AS AN MEK1/2 INHIBITOR
The aim of the present invention is to create novel MEK1, MEK2 and MEK1/2 inhibitors which have lower toxicity in long-term dosage. This aim is achieved by the novel compound N-{3-[3-cyclopropyl-5-(2-fluoro-4-iodophenylamino)-6,8-dimethyl-2,4,7-trioxo-3,4,6,7-tetrahydro-2H-pyrido[4,3-d]pyrimidin-1-yl]-phenyl}-cyclopropanecarboxamide dimethyl sulphoxide solvate of formula 1.