New modifications of the 2-amino-4- (4-fluorobenzylamino) -l-ethoxycarbonyl-aminobenzen and processes for their preparation

摘要

The invention concerns novel modifications to the compound 2-amino-4-(4-fluorobenzylamino)-1-ethoxycarbonyl-aminobenzene of formula (I). The invention also concerns processes for preparing this compound and its use in pharmaceutical compositions.