76028-96-1

(Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetic Acid may be useful in the preparation of solid forms of ceftolozane, their x-ray powder diffraction, and use in pharmaceutical compositions.