4-Aminobenzenediazonium ouabain 83859-88-5 Abd-ouabain Benzenediazonium, 4-(2-(((1beta,3beta,5beta,11alpha,14beta)-20,23-epoxy-1,5,11,14,19-tetrahydroxy-23-oxo-24-norchol-20(22)-en-3-yl)oxy)hexahydro-6-hydroxy-7-methyl-1,4-oxazepin-4-yl)-, (2R-(2alpha,6alpha,7beta))-