word	mesh	match	name	chebi
Alanine	mesh:D000409	Alanine	alanine	chebi:16449
D-aspartate	mesh:D001224	NA	NA	NA
cysteine	mesh:D003545	Cysteine	cysteine	chebi:15356
fumarate	mesh:D005650	NA	NA	NA
L-methionine	mesh:D008715	NA	NA	NA
methionine	mesh:D008715	NA	NA	NA
L-serine	mesh:D012694	Serine	L-serine	chebi:17115
O-acetylL serine	mesh:D012694	Serine	L-serine	chebi:17115
Serine	mesh:D012694	Serine	L-serine	chebi:17115
threonine	mesh:D013912	Threonine	L-threonine	chebi:16857