Labor peace in the National Hockey League is now guaranteed for at least three seasons after the NHL Players' Association followed the league's lead in declining to exercise its option to re-open the current collective bargaining agreement in one year's time.

As the number of travelers has grown and airlines have added flights to accommodate them, waiting is now a bigger part of many flights.

Nitration of arenes with controllable source of nitronium ions ( factsheet ) In summary: An inexpensive and bench-stable nitrating reagent enables access to nitro(hetero)arenes under very mild reaction conditions. There are minimal side-products and the core of the reagent is recyclable. Fields of application: Late stage functionalization of complex molecules Pharmaceuticals, dyes, explosives, ...