146554-88-3 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(((3-(trifluoromethyl)phenoxy)acetyl)amino)-, monosodium salt, (2S-(2alpha,5alpha,6beta))- LY 242072 LY-242072 Trifluoromethyl penicillin V Trifluoromethylpenicillin V