单词	isobutyl
释义	isobutyl /ˌʌɪsəʊˈbjuːtʌɪl / /ˌʌɪsəʊˈbjuːtɪl/ noun [as modifier] Chemistry Of or denoting the alkyl radical —CH2CH(CH3)2, derived from isobutane.Two ketones (methyl isobutyl ketone and 5-ethyl cyclopentanone) were also identified.... Inhalation of amyl nitrite, as well as isobutyl nitrite, purportedly enhances sexual pleasure and produces euphoria. The carboxylic acid group of the drug is first reacted with an activated carbonyl group like that found on isobutyl chloroformate.
随便看	mass man mass market mass media mass medium mass meeting mass movement mass murder mass murderer mass noun mass number Mass Observation mass-observe mass observer mass of maneuver mass of manoeuvre mass of the day massoi Masson, André Massorah Massorite massotherapist massotherapy massoy mass phenomenon mass-point

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