Monochloro-s-triazinetrione acid;Chloroisocyanuric acid;Monochloroisocyanuric acid;s-Triazine-2,4,6(1H,3H,5H)-trione,chloro-(6CI,7CI);s-Triazine-2,4,6(1H,3H,5H)-trione,1-chloro-(8CI);