6-Bromoindirubin-3′-oxime667463-62-9100 % similar Indirubin479-41-450 % similar Isatin β-oxime607-28-341 % similar Methyl (3E)-2,3-dihydro-3-(methoxyphenylmethylene)-2-oxo-1H-indole-6-carboxylate1168150-46-632 % similar 6-Bromoisatin6326-79-031 % similar 2-Bromoanthraquinone572-83-831 % similar Indigo blue482-89-330 % similar Su 494276086-99-230 % similar