label: 3,9-dihydro-3-((1,3-dihydroxy-2-propoxy)methyl)-9-oxo-6-(4-(phenoxycarbonyloxy)phenyl)-5H-imidazo(1,2-a)purine
label_lc: 3,9-dihydro-3-((1,3-dihydroxy-2-propoxy)methyl)-9-oxo-6-(4-(phenoxycarbonyloxy)phenyl)-5h-imidazo(1,2-a)purine