ISOMER

Sun, 4 Jan '26

Chemist's variant

Wed, 22 Oct '25

Molecule with a non-unique formula

Tue, 4 Feb '25

Molecule that shares its formula with another

Mon, 16 Dec '24

Compound with the same number of atoms in a different arrangement

Mon, 6 Jun '22

Similar chemical compound

Sat, 5 Feb '22

Compound with a chemical "twin"