EP1527047B1 - 3-Z- 1-(4-(n-((4-Methyl-Piperazin-1-Yl)-Methylcarbonyl)-N-Me Thyl-Amino)-Anilino)-1-Phenyl-Methylene -6-Methoxycarbonyl-2 -Indolinone-Monoethanesulphonate and the Use Thereof as a Pharmaceutical Composition