label: cytidylyl-(3'-5')-3'-O-(3-N-((3-carboxy-4-(3,6-dihydroxy-9H-xanthen-9-yl)phen-2-yl)carbonyl)amino-2-hydroxypropyl)cytidylic acid
label_lc: cytidylyl-(3'-5')-3'-o-(3-n-((3-carboxy-4-(3,6-dihydroxy-9h-xanthen-9-yl)phen-2-yl)carbonyl)amino-2-hydroxypropyl)cytidylic acid