id	keyword
eurjchem-638	mol
eurjchem-638	hn3
eurjchem-638	species
eurjchem-638	kcal
eurjchem-638	hn1
eurjchem-638	neutral
eurjchem-638	2s4s
eurjchem-638	energy
eurjchem-638	2o4o
eurjchem-638	2o4s