Pyridinium Tribromide is used as a brominating agent for organic synthesis especially for pharmaceuticals and hormones. It can be replaced for n-Bromosuccinimide. (N-Bromo derivatives and ammonium tribromides are mainly used as brominating agents)
Top definition. Vlad. Vlad is usually a Russian name, sometimes romanian, and usually is an athletic all around great guy that is good at everything. He is known to have a big penis and is a legend in bed. He has an amazing body and really funny. He is very popular especially with females...fine females.
Van Helsing Wiki. Count Dracula. Count Vladislaus Dracula is the oldest and most powerful vampire ever known, having gained his powers and immortality by making a deal with the Devil. His living self was murdered by Van Helsing in 1462 and his undead self was again killed by Van Helsing.