| 摘要 |
The invention relates to benzimidazole derivatives of formula (I), where R<1> stands for H, C1-C3 alkyl, Br or OH, R<2> stands for H, COOH, CH2OH or OH, where R<1> and R<2> cannot stand for hydrogen simultaneously and R<1> cannot be CH3 if R<2> and R<3> both stand for hydrogen simultaneously, or R<2> stands for CH2OH, R<3> stands for hydrogen or fluorine and R<4> stands for COOH or 2-tetrazolyl, as well as their acid or base addition salts, a method for preparing them and their pharmaceutical use. |
