IUPAC:(2S)-2-[(5-{2-[(6R)-2-amino-4-oxo-3H,4H,5H,6H,7H,8H-pyrido[2,3-d]pyrimidin-6-yl]ethyl}thiophen-2-yl)formamido]pentanedioic acid
IUPAC:(2S)-2-[(5-{2-[(6R)-2-amino-4-oxo-3H,4H,5H,6H,7H,8H-pyrido[2,3-d]pyrimidin-6-yl]ethyl}thiophen-2-yl)formamido]pentanedioic acid