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 、
C.I.酸性橙108 以to give 151 as a colorless solid after reverse phase HPLC (85 mg)的产率得到2-(3-amino-1-(2,4-difluorophenyl)-1H-1,2,4-triazol-5-yl)-N-(2-hydroxyethyl)-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-8-carboxamide