5-{3-[1-(5-fluoro-2-hydroxyphenyl)-cyclopropyl]-2-hydroxy-2-trifluoromethyl-propionylamino}-phthalide 生成 6-{3-[1-(5-fluoro-2-hydroxyphenyl)-cyclopropyl]-2-hydroxy-2-trifluoromethyl-propionylamino}-4-methyl-2,3-benzoxazin-1-one 、
6-{3-[1-(5-fluoro-2-methoxyphenyl)-cyclopropyl]-2-hydroxy-2-trifluoromethyl-propionylamino}-4-methyl-2,3-benzoxazin-1-one