1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-trichloro- 1,3,5-Trichloro-2,4,6-trioxohexahydro-s-triazine 1,3,5-Trichloro-s-triazine-2,4,6(1H,3H,5H)-trione 1,3,5-Trichloro-s-triazinetrione 1,3,5-Trichloroisocyanuric acid 29680-41-9