Stereoisomers which are not mirror image of each other, are called.:

Options

A. Enantiomers
B. Mesomers
C. Tautomers
D. Diasteroisomers

Answer

D

Explanation

Diasteroisomers
They occurs when two or more stereoisomers of a compound have different configurations at one or more (but not all) of the equivalent stereocenters and are not mirror images of each other.

Diastereomers that are also epimers.
When two diastereoisomers differ from each other at only one stereocenter they are epimers