Patent ID: 9353095
Filing Date: 2016-05-31
CPC Classification: A01N,C07B,C07D

Claim Text:
1. A crystalline form A of 1,5-dimethyl-6-thioxo-3-(2,2,7-trifluoro-3-oxo-4-(prop-2-ynyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)-1,3,5-triazinane-2,4-dione, which in an X-ray powder diffraction diagram at 25° C. and Cu—Kα radiation displays at least 3 of the following reflections, quoted as 2θ values: 8.6±0.2°, 10.9±0.2°, 12.9±0.2°, 13.4±0.2°, 14.0±0.2°, 14.4±0.2°, 15.5±0.2°, 16.9±0.2°, 18.2±0.2° and 20.5±0.2°.