The two compounds are diastereomers of each other.

There are many diastereomers in this compound.

Diastereomerization is a process in which diastereoisomers are converted into each other.

Diastereomerizations can occur when two or more stereoisomers have different configurations at one or more chiral centers.

The diastereomeric compounds have different physical properties.

The two compounds react diastereomerically.