135489-09-7 4-Chloro-8-((phenylmethyl)thio)isothiazolo(4',5':4,5)thieno(3,2-d)-1,2,3-triazine BRN 4268903 Isothiazolo(4',5':4,5)thieno(3,2-d)-1,2,3-triazine, 4-chloro-8-((phenylmethyl)thio)-