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alpha. -Pyrrolidinopentiophenone. α-Pyrrolidinopentiophenone (also known as α-pyrrolidinovalerophenone, α-PVP, O-2387, β-keto-prolintane, prolintanone, [ 2][ 3] or desmethylpyrovalerone) is a synthetic stimulant of the cathinone class developed in the 1960s that has been sold as a designer drug and often consumed for recreational reasons ...
4-Chloro-alpha-pyrrolidinovalerophenone (also known as 4-chloro-alpha-pyrrolidinopentiophenone, 4-chloro-α-PVP, 4Cl-PVP, or 4C-PVP) is an emerging recreational designer drug of the pyrrolidinophenone class, similar in structure to alpha -pyrrolidinopentiophenone (α-PVP). [ 2] The pharmacology and toxicity of this compound is unknown, though ...
Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer compound made from the monomer N-vinylpyrrolidone. [1] PVP is available in a range of molecular weights and related viscosities, and can be selected according to the desired application properties.
In mathematics, a chaotic map is a map (an evolution function) that exhibits some sort of chaotic behavior. Maps may be parameterized by a discrete-time or a continuous-time parameter. Discrete maps usually take the form of iterated functions. Chaotic maps often occur in the study of dynamical systems . Chaotic maps and iterated functions often ...
ArcheAge. ArcheAge is an MMORPG developed by Korean developer Jake Song (former developer of Lineage) and his development company, XL Games. The game was released in Korea on January 15, 2013, and in Europe and North America on September 16, 2014. ArcheAge is described as a "sandpark" MMORPG, which the developers say is a hybrid of the open ...
There’s some research that suggests red wine might be the best choice for people who want to drink occasionally. In fact, Pabla says, some small studies have found that 1 to 3 grams of red wine ...
In X-ray crystallography, a difference density map or Fo–Fc map shows the spatial distribution of the difference between the measured electron density of the crystal and the electron density explained by the current model. [ 1] A way to compute this map has been formulated for cyro-EM. [ 2]
Crystal structure of table salt (sodium in purple, chlorine in green) In crystallography, crystal structure is a description of ordered arrangement of atoms, ions, or molecules in a crystalline material. [ 1] Ordered structures occur from intrinsic nature of constituent particles to form symmetric patterns that repeat along the principal ...