word	mesh	match	name	chebi
arginine	mesh:D001120	Arginine	arginine	chebi:29016
L-Arginine	mesh:D001120	Arginine	arginine	chebi:29016
Nitric oxide	mesh:D009569	Nitric Oxide	nitric oxide	chebi:16480
Polyamines	mesh:D011073	NA	NA	NA
Proline	mesh:D011392	Proline	L-proline	chebi:17203