label: N-(2-amino-6-((2-deoxy-beta-D-erythro-pentofuranosyl)amino)-3,4-dihydro-4-oxo-5-pyrimidinyl)-N-(2-oxoethyl)-formamide
label_lc: n-(2-amino-6-((2-deoxy-beta-d-erythro-pentofuranosyl)amino)-3,4-dihydro-4-oxo-5-pyrimidinyl)-n-(2-oxoethyl)-formamide