. "(2S,5R,6R)-6-((R)-2-carboxy-2-(thiophen-3-yl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid" . "ticarcillin" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .