BTPA

(z)-2-(2-(benzyloxycarbonylamino)thiazol-4-yl)-5-(3-methylbut-2-enyloxy)-5-oxopent-2-enoic acid ; 7-amido-8-keto-3-(cisopropyl.-1-alkenyl)-5-thiox-1-azole[4.2.0]octadiene-2-carboxylic acid di diphenylmethyl ester ; 2-[2-[[(phenylmethoxy)carbonyl]amino]-4-thiazolyl]-2-pentenedioic acid 5-(3-methyl-2-butenyl) ; 2-[2-[[(phenylmethoxy)carbonyl]amino]-4-thiazolyl]-2-pentenedioic acid 5-(3-methyl-2-butenyl) este ; 2-(2-(((benzyloxy)carbonyl)amino)thiazol-4-yl)-5-((3-methylbut-2-en-1-yl)oxy)-5-oxopent-2-enoic acid ; 2-[2-[[(phenylmethoxy)carbonyl]amino]-4-thiazolyl]-2-pentenedioic acid 5-(3-methyl-2-butenyl) ester ; 2-(2-(((benzyloxy)carbonyl)amino)thiazol-4-yl)-5-((3-methylbut-2-en-1-yl)oxy)-5-oxopent-2-enoic a ; (z)-2-(2-benzoylcarbonylaminothiazol-4-yl) 4-carboxy-2-butenoic acid prenyl ester ; ceftibuten sidechain