label: 3-hydroxy-4-hydroxymethyl-1-(4-oxo-4,4a,5,7a-tetrahydro-3H-pyrrolo[3,2-d]pyrimidin-7-ylmethyl)pyrrolidinium
label_lc: 3-hydroxy-4-hydroxymethyl-1-(4-oxo-4,4a,5,7a-tetrahydro-3h-pyrrolo[3,2-d]pyrimidin-7-ylmethyl)pyrrolidinium