Tetrazolo

Tetrazolo[1,5-b]pyridazine, 8-methyl-6-(2-thienyl)-

2-(5,7-diethyltetrazolo[1,5-a]pyrimidin-6-yl)phenol

Tetrazolo[1,5-a]pyrimidine-5-carboxylic acid,6-benzoyl-1,7-dihydro-7-(2-nitrophenyl)-, methyl ester

(6R,7R)-7-({[2-(AMINOMETHYL)PHENYL]ACETYL}AMINO)-8-OXO-3-[(TETRAZOLO[1,5-B]PYRIDAZIN-6-YLSULFANYL)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID

1,3,4-Oxadiazole-2(3H)-thione,3-acetyl-5-(6,7-diphenyltetrazolo[1,5-a]pyridin-8-yl)-

6-chlorotetrazolo[5,1-a]phthalazine