4,7-Methano-1H-indene, 6-chloro-3a,4,5,6,7,7a-hexahydro-5-nitroso-, dimer 4,7-Methanoindene, 5-nitroso-3a,4,5,6,7,7a-hexahydro-6-chloro-, dimer 42402-56-2 NSC32002