diastereoisomer

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diastereoisomer

[¦dī·ə‚ster·ē·ō′ī·sə· mər]
(organic chemistry)
One of a pair of optical isomers which are not mirror images of each other. Also known as diastereomer.
References in periodicals archive ?
15) In this example the two diastereoisomeric forms of the antibiotic cefuroxime axetil ester are separated from their major hydrolysis product (cefuroxime).