Itraconazole Hydroxy Isobutyltriazolone Impurity

1-(sec-Butyl)-4-(4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)-1H-1,2,4-triazol-5(4H)-one; 2,4-Dihydro-4-[4-[4-(4-hydroxyphenyl)
-1-piperazinyl]phenyl]-2-(1-methylpropyl)-3H-1,2,4-triazole-3-one; 2,4-Dihydro-4-[4-[4-(4-hydroxylphenyl)piperazin-1-yl]phenyl]-2-(1-methylpropyl)-3H-1,2,4-triazol-3-one;