2-[5-Amino-2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-8-carboxylic acid 、
氧杂环丁烷-3-胺盐酸盐 以to give 297 as a colorless solid after reverse phase HPLC (146 mg)的产率得到2-[5-amino-2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-8-carboxylic acid oxetan-3-ylamide