label: N-[(4-{2-[(6R)-2-amino-4-oxo-1,4,5,6,7,8-hexahydropyrido[2,3-d]pyrimidin-6-yl]ethyl}phenyl)carbonyl]-L-glutamic acid
label_lc: n-[(4-{2-[(6r)-2-amino-4-oxo-1,4,5,6,7,8-hexahydropyrido[2,3-d]pyrimidin-6-yl]ethyl}phenyl)carbonyl]-l-glutamic acid