| abstract |
PCT No. PCT/JP97/04451 Sec. 371 Date Jun. 14, 1999 Sec. 102(e) Date Jun. 14, 1999 PCT Filed Dec. 5, 1997 PCT Pub. No. WO98/25914 PCT Pub. Date Jun. 18, 1998Hydrates of N-(4-acetyl-1-piperazinyl)-4-fluorobenzamide, which are stable against heat, light, and humidity, are described. The material is easy to handle under ordinary interior humidity conditions. N-(4-acetyl-1-piperazinyl)-4-fluorobenzamide hydrate is useful as a medicament in the treatment of amnesia and senile dementia. |