id	keyword
eurjchem-2340	no2
eurjchem-2340	h2o
eurjchem-2340	structure
eurjchem-2340	acid
eurjchem-2340	step
eurjchem-2340	nitration
eurjchem-2340	figure
eurjchem-2340	h2so4
eurjchem-2340	hno3
eurjchem-2340	reaction
eurjchem-2340	product
eurjchem-2340	a.u
eurjchem-2340	energy
eurjchem-2340	c6h6