4-chloro-8-(dichloromethyl)-10,10-dioxo-10$l^{6}-thia-7,9-diazabicyclo [4.4.0]deca-1,3,5-triene-3-sulfonamide, 3,5-diamino-6-chloro-N-(diamin omethylidene)pyrazine-2-carboxamide