FORM 2 CRYSTALLINE POLYMORPH OF A SALT OF N-[1-6-(ETHYNYL-3-OXO-HEXAHYDRO-FURO[3,2-B]PYRROLE-4-CARBONYL)-3-METHYL-BUTYL]-4-[5-FLUORO-2-(4-METHYL-PIPERAZINYL)THIAZOL-4-YL]-BENZAMIDE USEFUL AS CYSTEINE PROTEASE INHIBITOR
There is provided Form 2 crystalline polymorph consisting of N-[1-6-(ethynyl-3-oxo-hexahydro-furo[3,2-b]pyrrole-4-carbonyl)-3-methyl-butyl]-4-[5-fluoro-2-(4-methyl-piperazin-1-yl)thiazol-4-yl]-benzamide monohydrochloride and N-[1-6-(ethynyl-3-oxo-hexahydro-furo[3,2-b]pyrrole-4-carbonyl)-3-methyl-butyl]-4-[5-fluoro-2-(4-methyl-piperazin-1-yl)thiazol-4-yl]benzamide hydrate monohydrochloride, its use as a medicament and methods for its preparation.