id	keyword
eurjchem-1795	acid
eurjchem-1795	acid c
eurjchem-1795	h h
eurjchem-1795	c =
eurjchem-1795	arg136
eurjchem-1795	acid arg136
eurjchem-1795	gln47
eurjchem-1795	bonds
eurjchem-1795	chemistry
eurjchem-1795	compounds