id	keyword
eurjchem-2569	ring
eurjchem-2569	compounds
eurjchem-2569	tetrazole
eurjchem-2569	activity
eurjchem-2569	tetrazole ring
eurjchem-2569	dmso
eurjchem-2569	nmr
eurjchem-2569	mhz
eurjchem-2569	ppm