1H,7H-Pyrazolo(1,2-a)pyrazole-1,7-dione, 3-(chloromethyl)-2,5,6-trimethyl- 3-(Chloromethyl)-2,5,6-trimethyl-1H,7H-pyrazolo(1,2-a)pyrazole-1,7-dione 76421-73-3 Monochlorobimane