Synthese end antimikrobielle Untersuchung einiger 4-Arylidenamino-3-(a,a-diphenyl-a-hydroxymethyl)-1,4-dihydro-5H-1,2,4-Triazol-5-thione und 6-Aryl-3-(a,a-diphenyl-a-hydroxymethyl)-7H-s-Triazolo[3,4-b][1,3,4]thiadiazine