| 摘要 |
FIELD: chemistry.SUBSTANCE: present invention relates to a new polymorph of Rifaximin, designated κ, in a new crystalline form and to a process for the preparation thereof. Under certain aspects, the invention also relates to pharmaceutical compositions comprising an effective amount of the polymorphic form κ of Rifaximin and a pharmaceutically acceptable carrier.EFFECT: treatment of gastrointestinal conditions.13 cl, 14 dwg, 3 tbl, 15 ex |
