19420-46-3 2-Hydroxy-5-trifluoromethylphenyl thiourea 2-Thio-1-(alpha,alpha,alpha-trifluoro-6-hydroxy-m-tolyl)urea BRN 2979866 Urea, 2-thio-1-(alpha,alpha,alpha-trifluoro-6-hydroxy-m-tolyl)-