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Pyrrole is an extremely weak base for an amine, with a conjugate acid pK a of −3.8. The most thermodynamically stable pyrrolium cation (C 4 H 6 N +) is formed by protonation at the 2 position. Substitution of pyrrole with alkyl substituents provides a more basic molecule—for example, tetramethylpyrrole has a conjugate acid pK a of +3.7.
Typically, treatment involves managing your dog's hormonal condition with regular medication and monitoring. However, if your dog has seasonal flank alopecia, it is considered a cosmetic issue, so ...
The standard dose is about the same, 1–2 mg per pound of body weight, but a slightly higher dose of 3 mg per pound may be helpful with some dogs. (This is higher than the dose recommended, but ...
Flatulence can be a problem for some dogs, which may be diet-related or a sign of gastrointestinal disease. This, in fact, may be the most commonly noticed source of odor from dogs fed cereal-based dog foods. Skunks and dogs often have aggressive encounters and a dog may be sprayed by a skunk. This results in an over-powering musky acrid odor ...
It is a colourless liquid that is miscible with water and most organic solvents. It has a characteristic odor that has been described as "ammoniacal, fishy, shellfish-like". [4] In addition to pyrrolidine itself, many substituted pyrrolidines are known.
As dogs grow older, their performance and ability to learn new smells is reduced. Female dogs have a greater sense of smell than males. A variety of diseases can decrease a dog's sense of smell, such as canine distemper and nasal mites. Dogs have an enhanced sense of smell when fed a high-fat, low-protein diet. There are a number of theories ...
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At room temperature, thiophene is a colorless liquid with a mildly pleasant odor reminiscent of benzene, [citation needed] with which thiophene shares some similarities. The high reactivity of thiophene toward sulfonation is the basis for the separation of thiophene from benzene, which are difficult to separate by distillation due to their ...