1-Butanone, 4-((1-methyl-1H-tetrazol-5-yl)thio)-1-(2-thienyl)- 1-Methyl-5-(3-(2-thenoyl)propyl)thio-1,2,3,4-tetrazole 4-((1-Methyl-1H-tetrazol-5-yl)thio)-1-(2-thienyl)-1-butanone 80087-46-3