143729-89-9 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((((((1,1'-biphenyl)-4-ylcarbonyl)hydrazono)acetyl)amino)phenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))-