2-Mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl)isopropoxyiminoacetate-D6

2-Mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl)isopropoxyiminoacetate-D6 is an intermediate in the synthesis of Aztreonam-d6 (A965202), which is an isotope labeled Azetreonam (A965200), the first totally synthetic monocyclic β-lactam antibiotic.