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  2. Structural analog - Wikipedia

    en.wikipedia.org/wiki/Structural_analog

    A structural analog, also known as a chemical analog or simply an analog, is a compound having a structure similar to that of another compound, but differing from it in respect to a certain component. [1] [2] [3] It can differ in one or more atoms, functional groups, or substructures, which are replaced with other atoms, groups, or ...

  3. Derivative (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Derivative_(chemistry)

    In chemistry, a derivative is a compound that is derived from a similar compound by a chemical reaction.. In the past, derivative also meant a compound that can be imagined to arise from another compound, if one atom or group of atoms is replaced with another atom or group of atoms, [1] but modern chemical language now uses the term structural analog for this meaning, thus eliminating ambiguity.

  4. Functional analog (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Functional_analog_(chemistry)

    Functional analogs are not necessarily structural analogs with a similar chemical structure. [1] An example of pharmacological functional analogs are morphine , heroin and fentanyl , which have the same mechanism of action, but fentanyl is structurally quite different from the other two with significant variance in dosage.

  5. List of cocaine analogues - Wikipedia

    en.wikipedia.org/wiki/List_of_cocaine_analogues

    This is a list of cocaine analogues.A cocaine analogue is an (usually) artificial construct of a novel chemical compound from (often the starting point of natural) cocaine's molecular structure, with the result product sufficiently similar to cocaine to display similarity in, but alteration to, its chemical function.

  6. Torque - Wikipedia

    en.wikipedia.org/wiki/Torque

    In physics and mechanics, torque is the rotational analogue of linear force. [1] It is also referred to as the moment of force (also abbreviated to moment ). The symbol for torque is typically τ {\displaystyle {\boldsymbol {\tau }}} , the lowercase Greek letter tau .

  7. Category:Units of chemical measurement - Wikipedia

    en.wikipedia.org/wiki/Category:Units_of_chemical...

    Pages in category "Units of chemical measurement" The following 14 pages are in this category, out of 14 total. ... Mole (unit) Q. Quantities, Units and Symbols in ...

  8. Trolox - Wikipedia

    en.wikipedia.org/wiki/Trolox

    Trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid) is a water-soluble analog of vitamin E sold by Hoffman-LaRoche.It is an antioxidant like vitamin E and it is used in biological or biochemical applications to reduce oxidative stress or damage.

  9. Mechanical–electrical analogies - Wikipedia

    en.wikipedia.org/wiki/Mechanical–electrical...

    The unit of mechanical impedance is the ... Chemical: Chemical potential ... Electrical Analogies, Engineering Practice, and the Development of Analogue Computing ...