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  2. Carvone - Wikipedia

    en.wikipedia.org/wiki/Carvone

    Carvone may be synthetically prepared from limonene by first treating limonene nitrosyl chloride. Heating this nitroso compound gives carvoxime. Treating carvoxime with oxalic acid yields carvone. [14] This procedure affords R-(−)-carvone from R-(+)-limonene. The major use of d-limonene is as a precursor to S-(+)-carvone. The large scale ...

  3. Chiral drugs - Wikipedia

    en.wikipedia.org/wiki/Chiral_drugs

    An enantiomeric pair (S,S)- and (R,R)-ethambutol, along with the achiral stereoisomer called meso-form, it holds a diastereomeric relationship with the optically active stereoisomers. The activity of the drug resides in the (S,S)-enantiomer which is 500 and 12 fold more potent than the (R,R)-ethambutol and the meso-form. The drug had initially ...

  4. Optical rotation - Wikipedia

    en.wikipedia.org/wiki/Optical_rotation

    Dextrorotation and laevorotation (also spelled levorotation) [1] [2] in chemistry and physics are the optical rotation of plane-polarized light.From the point of view of the observer, dextrorotation refers to clockwise or right-handed rotation, and laevorotation refers to counterclockwise or left-handed rotation.

  5. Enantiomer - Wikipedia

    en.wikipedia.org/wiki/Enantiomer

    Structures of the two enantiomeric forms (S left, R right) of mecoprop Enantiomers of citalopram. The top is (R)-citalopram and the bottom is -citalopram. An example of such an enantiomer is the sedative thalidomide, which was sold in a number of countries around the world from 1957 until 1961. It was withdrawn from the market when it was found ...

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    Rating: 4.7-stars | Reviews: 228,000+. Banish odor-causing bacteria and the grime left behind from daily loads of laundry with these easy-to-use once-monthly tablets. This box contains six tablets ...

  7. Chirality - Wikipedia

    en.wikipedia.org/wiki/Chirality

    In case of penicillamine, the (S-isomer is used in the treatment of primary chronic arthritis, whereas the (R)-isomer has no therapeutic effect, as well as being highly toxic. [30] In some cases, the less therapeutically active enantiomer can cause side effects. For example, (S-naproxen is an analgesic but the (R-isomer causes renal problems. [31]

  8. We tested this $6 cleaning must-have that has more than ... - AOL

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    According to countless TikTok posts and over 220,000-plus Amazon ratings, The Pink Stuff works on nearly any surface. "Used it to get my fiberglass shower totally clean," gushed one reviewer .

  9. I ranked 6 brands of frozen tater tots. Only one had the ...

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    I tried six brands of store-bought tater tots from Sonic, Ore-Ida, Cascadian Farm, McCain, Signature Select, and Alexia Foods to find the best ones.