例句與造句

1. Petroselinic acid is an positional isomer of oleic acid.
2. It is a positional isomer of dehydroepiandrosterone ( DHEA; 5-dehydroepiandrosterone ).
3. "' 1-Phenylethanol "'is the chiral positional isomer of phenethyl alcohol.
4. Despite being a positional isomer of pipradrol, it is not a psychostimulant, and instead has mild depressant effects.
5. Ethyl cathinone is listed as a Schedule I Controlled Substance by the USDEA based on it being a positional isomer of mephedrone.
6. It's difficult to find positional isomer in a sentence. 用positional isomer造句挺難的
7. Dr . Hamberger wanted to purify the positional isomers, which were needed to give him the right compound for the final stages of the synthesis.
8. Pherines described in the scientific literature include PH94B ( Aloradine, or 4, 16-androstadien-3?-ol, a positional isomer of androstadienol ).
9. The positional isomer of estriol 16?-glucuronide, estriol 3-glucuronide, also occurs as an endogenous metabolite of estriol, although to a much lower extent in comparison.
10. Note that two other positional isomers of dimethoxyamphetamine, 2, 6-DMA and 3, 5-DMA, have also been made, but these drugs have not been tested in humans and their effects are unknown.
11. JWH-164 is a positional isomer of the related compound JWH-081, but with a methoxy group at the 7-position of the naphthyl ring, rather than the 4-position as in JWH-081.
12. "' 5-Nitroimidazole "'is an organic compound with the formula O 2 NC 3 H 2 N 2 H . The nitro group at position 5 on the imidazole ring is the most common positional isomer.
13. A positional isomer of androstenol, 3?-androstenol ( 5?-androst-16-en-3?-ol ), is also endogenous to humans ( as well as to pigs ), behaving as a pheromone and contributing to axillary odor.
14. Candicine has also been found in the skin of the frog, " Leptodactylus pentadactylus pentadactylus ", at a concentration of 45 ?g / g skin, but it is of much more limited occurrence amongst amphibians than its positional isomer, leptodactyline.
15. Because the 2-and 5-positions ( using phenethylamine numbering scheme, 1, 5-positions if numbered as benzodifuran ) are not equivalent, all unsymmetrical combinations also have two possible positional isomers, with different potencies at the various 5-HT 2 subtypes.
16. "' Clortermine "'( "'Voranil "') was developed by Ciba in the 1960s and is an anorectic drug of the analogue of the better known appetite suppressant phentermine, and is the 2-chloro positional isomer of chlorphentermine.
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