Tetrazolo[1,5-a]quinazoline-5(1H)-thione
Tetrazolo[1,5-c]pyrimidin-5-amine,7-methyl-
Tetrazolo[1,5-c]quinazoline, 5-phenyl-
Tetrazolo[1,5-b]pyridazine, 6-(3,4-dimethylphenyl)-8-(1H-indol-3-yl)-