18039-42-4 1H-Tetrazole, 5-phenyl- 221658-40-8 25378-28-3 2H-Tetrazole, 5-phenyl- 31422-49-8 3999-10-8 5-Phenyl tetrazole 5-Phenyl-1H-tetrazole 5-Phenyl-2H-tetrazole 5-Phenyltetrazole 5-Phenyltetrazole (VAN) EINECS 241-950-8 Expandex 5PT Expandex OX 5PT Kempore 50XPT MA 1623 NSC 11138 Phenyltetrazole Tetrazole, 5-phenyl- (6CI)