https://aksci.com/item_detail.php?cat=H728
86299-47-0 (Z)-2-(2-Aminothiazol-4-yl)-2-[(1-tert-butoxycarbonyl-1-methylethoxy)imino]acetic acid...
(Z)-2-(2-Aminothiazol-4-yl)-2-[(1-tert-butoxycarbonyl-1-methylethoxy)imino]acetic acid 86299-47-0 from AK Scientific, in San Francisco, California