3H-Indol-3-one, 4-chloro-1,2-dihydro-2-hydroxy-1-nitroso-, oxime 4-Chloro-1,2-dihydro-2-hydroxy-1-nitroso-3H-indol-3-one oxime 4-Chloro-2-hydroxy-1-nitrosoindolin-3-one oxime 93490-32-5