Substituent vs Orthoxylene - What's the difference?
substituent | orthoxylene |
(chemistry) any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed
(grammar) pro-form
(organic compound) An aromatic hydrocarbon based on benzene with two methyl substituents bonded to adjacent carbon atoms in the aromatic ring (the ortho configuration).
(Webster 1913)