Pentaerythritol tetranitrate <unk> , also known as PENT, PENTA, TEN, corpent, penthrite (or—rarely and primarily in German—as nitropenta), is the nitrate ester of pentaerythritol, and is structurally very similar to nitroglycerin. Penta refers to the five carbon atoms of the neopentane skeleton.<unk>  is best known as an explosive. It is one of the most powerful high explosives known, with a relative effectiveness factor of 1.66.<unk>  mixed with a plasticizer forms a plastic explosive. As a mixture with RDX and other minor additives, it forms another plastic explosive called Semtex as well. The compound was discovered in the bombs used by the 2001 Shoe Bomber, in the 2009 Christmas Day bomb plot, and in the 2010 cargo plane bomb plot. On 7 September 2011, a bomb suspected to have used<unk>  exploded near the High Court of Delhi in India claiming 13 lives and injuring more than 70.
It is also used as a vasodilator drug to treat certain heart conditions, such as for management of angina.
PETN
ASCOT-LLA
MoCA
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Bromo-DragonFLY
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ITRAQ
Breast lumps ultrasound