IUPAC:(2S)-2-[(4S)-4-[(4S)-4-[(4S)-4-[(4S)-4-[(4-{[(2-amino-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl]amino}phenyl)formamido]-4-carboxybutanamido]-4-carboxybutanamido]-4-carboxybutanamido]-4-carboxybutanamido]pentanedioic acid
IUPAC:(2S)-2-[(4S)-4-[(4S)-4-[(4S)-4-[(4S)-4-[(4-{[(2-amino-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl]amino}phenyl)formamido]-4-carboxybutanamido]-4-carboxybutanamido]-4-carboxybutanamido]-4-carboxybutanamido]pentanedioic acid