methylethyl,amino,azetidine
Azetidine
102579-57-7(2s,3s)-3-[[(2z)-2-(2-amino-1,3-thiazol-4-yl)-2-(1-ethoxy-2-methyl-1-oxopropan-2-yl)oxyiminoacetyl]amino]-2-methyl-4-oxoazetidine-1-sulfonic Acid
216960-81-5N-Methyl-2(R)-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-N-(4-nitrobenzyl)-4-oxoazetidine-1-carboxamide