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From or to a drug trade name: This is a redirect from (or to) the trade name of a drug to (or from) the international nonproprietary name (INN).
Dyson Limited, d.b.a Dyson, is a Singaporean–British multinational technology company. [7] Founded in 1991 by James Dyson in Malmesbury, England, the company designs and manufactures household appliances such as vacuum cleaners, air purifiers, hand dryers, bladeless fans, heaters, hair dryers, and lights.
Known as the Dyson Hard, cordless handstick similar to the DC44, for hard floors, powered by Dyson digital motor V2, has 5 cyclones. Weighs 2.92 pounds (1.32 kg), including a 22.2 V rechargeable lithium ion battery. DC57 no image: unknown: Handheld, same as DC56 for Canadian and Singapore markets. DC58 no image: unknown
1301 – King Andrew III died without any male heirs, ending the Árpád dynasty, which had ruled Hungary since the late 9th century.; 1900 – Giacomo Puccini's opera Tosca (poster pictured), based on the play La Tosca by French dramatist Victorien Sardou, premiered at the Teatro Costanzi in Rome.
The 5-chloro-2,1,3-benzothiadiazol-4-amine intermediate was a known compound, produced in three steps from 4-chlorophenylenediamine as shown. [18] Treatment with two equivalents of thionyl chloride in pyridine formed the heterocycle , which was nitrated with sodium nitrate in sulfuric acid and reduced using iron and acetic acid.
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