Crystals of (S)-3,4-difluoro-2- (2-fluoro-4-iodophenylamino) phenyl 3-hydroxy-3- (piperidine-2-yl) azetidine-1-yl -methanone Sexual fumarate

摘要

PROBLEM TO BE SOLVED: To provide a crystalline salt form of a compound having suitable properties for use in a pharmaceutical composition for treating a proliferative disease such as cancer. The formula: (S)-[3,4-difluoro-2- (2-fluoro-4-iodophenylamino) phenyl] [3-hydroxy-3- (piperidine-2-yl) azetidine- 1-Il] -hemifmalate of metanone. [Selection diagram] None