anisomeric
/ˌænɪsəˈmɜːrkɪk/Definitions
1. adjective
Having or relating to a different number of atoms in different molecules with the same molecular formula.
“The chemist studied the anisomeric compounds to determine their unique properties.”
2. noun
A molecule with the same molecular formula as another but having a different arrangement of atoms.
“The researcher isolated an anisomeric form of the molecule, which had different effects on the body.”