1 KO5 (2~{S})-8-[[4-[4-(5-fluoranyl-2-methyl-phenyl)butoxy]phenyl]carbonylamino]-4-(4-oxidanyl-4-oxidanylidene-butyl)-2,3-dih ydro-1,4-benzoxazine-2-carboxylic acid 1.000 2 KNW (2~{S})-8-[[4-[4-(2-chloranyl-5-fluoranyl-phenyl)butoxy]phenyl]carbonylamino]-4-(4-oxidanyl-4-oxidanylidene-butyl)-2,3- dihydro-1,4-benzoxazine-2-carboxylic acid 0.952