Ligand primitive symbol (L) e.g. Gly-1
Metal ion primitive symbol (M) e.g. Cu+2
ML/M.L ML2/M.L2 ML3/M.L3 ML4/M.L4
MLH/M.L.H ML2/ML.L ML3/ML2.L ML4/ML3.L
MLH/ML.H MLH/M.LH MLH2/M.L.H2 MLH2/M.LH2
MLOH/M.L.OH MLOH/M.L.H-1 ML2OH/M.L2.H-1 ML2OH2/M.L2.H-2

If you do not understand how to use the above input, familiarise yourself first with the simpler case of ligand protonation.

More powerful database interrogation programs are available when the JESS package is installed locally.