ChEBI: Ceftiolene is a cephalosporin compound having (E)-2-{[5,6-dioxo-4-(2-oxoethyl)-1,4,5,6-tetrahydro-1,2,4-triazin-3-yl]sulfanyl}ethenyl and [(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side-groups; a third-generation cephalosporin antibiotic. It has a role as an antibacterial drug.