144284-57-1 6H-Pyridazino(1,2-a)(1,2)diazepine-1-carboxylic acid, 9-((1-carboxy-3-(4-hydroxyphenyl)propyl)amino)octahydro-10-oxo-, (1S-(1alpha,9alpha(R*)))- I(125)-Ro 31-8472 Ro 31-8472 Ro-31-8472