143729-84-4 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenyl((((4-propoxybenzoyl)hydrazono)acetyl)amino)acetyl)amino)-, (2S-(2-alpha,5-alpha,6-beta(S*)))-