| R 1 and R 2 indicate the propyl and pentyl forms of the different metabolites. |
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| There are clear hints that it may be useful to combine the phenidone with methyl, ethyl, propyl, or isopropyl alcohol. |
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| Peak concentrations of propyl nitrate and butyl nitrate in south-central Kansas were 51 and 68 parts per trillion, respectively. |
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| The first four alkyl groups are methyl, ethyl, propyl, and butyl, with the number of carbon atoms being one, two, three, and four respectively. |
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| In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group. |
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| The propyl group is a functional group derived from propane by the removal of a hydrogen atom. |
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| Other antioxidants include the phenol derivatives BHA, BHT, TBHQ and propyl gallate. |
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| N propyl bromide is a chemical alternative to perc, and an option that requires minimal retrofitting to adopt. |
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| The broth had been supplemented with either L-ascorbic acid or propyl gallate alone or in combination with lactic acid. |
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| The four main parabens in use are methyl, ethyl, propyl and butyl parabens. |
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| The materials were tested for their resistance to major chemicals present in the aerospace industry, including Skydrol, jet fuel, salt water, methyl propyl keytone, etc. |
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| When relative efficacy was compared with that of propyl thiouracil, a standard antithyroidic drug, experimental seed extract appeared to be more effective. |
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| Kingsport, TN-based Eastman Chemical Company has introduced Methyl Propyl Ketone, its non-HAP solvent for pre-saturated industrial wipes. |
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| Propyl gallate, the alkoxyl radicals scavenger, also suppressed the mobility shift and strongly inhibited the formation of all protein cross-linking products. |
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| Synthetic antioxidants are Butylated Hydroxyanisole, Butylated Hydroxytoluene, Propyl gallate and Tert-butylhydroquinone. |
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