What is the difference between an enantiomer and a diastereomer ?
- stereoisomers that are mirror images but are not superimposable upon each other.
- have the exact opposite R,S designation at every stereogenic center.
- stereoisomers that are not mirror images of each other.
-have the same R,S designation for at least one stereogenic center and the opposite R,S designation for at least one of the other stereogenic centers.