Functional analog (chemistry)
From Infogalactic: the planetary knowledge core
In chemistry and pharmacology, functional analogs are chemical compounds that have similar physical, chemical, biochemical, or pharmacological properties. Functional analogs are not necessarily also structural analogs with a similar chemical structure.[1] An example of pharmacological functional analogs are morphine, heroine and fentanyl, which have the same mechanism of action, but fentanyl is structurally quite different from the other two.[2]
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