label: 3-({3-[(2S)-2-amino-2-carboxyethyl]-5-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl}methyl)thiophene-2-carboxylic acid
label_lc: 3-({3-[(2s)-2-amino-2-carboxyethyl]-5-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2h)-yl}methyl)thiophene-2-carboxylic acid