| abstract |
Compositions for preventive or therapeutic use containing as the active ingredient at least one member selected from compounds represented by formula (1) and polymers thereof which are useful in preventing or treating diseases in association with osteopenia, hypertension or diseases caused by high blood pressure: wherein A and B are the same or different and each represents halogeno, amino, amidino, anilinoamido, mercapto, sufonate, phosphate, carboxy, hydroxy(C1-5 alkyl), a sugar residue, -OR1 (wherein R1 represents hydrogen, C¿1-5? alkyl, hydroxy(C1-5 alkyl) or C2-5 alkenyl) or -OCOR?2¿ (wherein R2 represents C¿1-5? alkyl, hydroxy(C1-5 alkyl) or C2-5 alkenyl); and n and m are the same or different and each represents an integer of 0 to 5, provided that nA's and mB's may be either the same or different. |