1-(3,4-Dichlorophenyl)-2-tetrazoline-5-thione 1-(m,p-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione 5H-Tetrazole-5-thione, 1-(3,4-dichlorophenyl)-1,2-dihydro- 63684-99-1 EINECS 264-414-5