| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a crystal form or a polymorph of N-hydroxy-3-[4-[[[2-(2-methyl-1H-indole-3-yl)ethyl]amino]methyl]phenyl]-2E-2-propene amido, a production method thereof, a pharmaceutical composition containing the same, and a treatment method using the same.SOLUTION: There is provided a substantially pure anhydrous crystal (form A) of a lactate of N-hydroxy-3-[4-[[[2-(2-methyl-1H-indole-3-yl)ethyl]amino]methyl]phenyl]-2E-2-propene amido.</p> |
