The present invention relates to hydrosoluble compounds derived from benzimidazole represented by general formula I: wherein: Y1 e Y2 are independently O or S, and at least one of Y1 and Y2 is O; R1 and R2 are independently hydrogen or a cation, both are hydrogen or both are cations; R3 is a C1-4 alkyl; R4 and R5 are independently halogen or a —OR6 alkoxide; R6 is C6-C10 aryl linked in 5- or 6-position of benzimidazole nucleus.