Polymorph of acid 4-[2-[1-(2-ethoxyethyl)-1H-benzinidazole-2-yl]- 1-piperidinyl]ethyl-alpha, alpha-dimethyl-benzeneacetic

摘要

Polymorph 1 of 4-Ä2-Ä1-(2-ethoxyethyl)-1H-benzidimazole-2-ylÜ-1-piperidinylÜ ethylÜ- alpha alpha -dimethyl-benzenoacetic acid of formula (I) is described, procedures for its preparation, pharmaceutical formulae containing polymorph 1 and the use of polymorph 1 to treat allergic reactions and pathological processes mediated by histamine in mammals such as man.