label: 1-[(3xi,5S)-5-C-amino-2-deoxy-5-O-phosphono-D-glycero-pentofuranosyl]-5-methylpyrimidine-2,4(1H,3H)-dione
label_lc: 1-[(3xi,5s)-5-c-amino-2-deoxy-5-o-phosphono-d-glycero-pentofuranosyl]-5-methylpyrimidine-2,4(1h,3h)-dione