IUPAC:(2S)-2-amino-4-({[(2S,3S,4R,5R)-5-[6-amino(2,4,5,6,8-13C5)-9H-purin-9-yl]-3,4-dihydroxy(2,3,4,5-13C4)oxolan-2-yl](13C)methyl}sulfanyl)butanoic acid
IUPAC:(2S)-2-amino-4-({[(2S,3S,4R,5R)-5-[6-amino(2,4,5,6,8-13C5)-9H-purin-9-yl]-3,4-dihydroxy(2,3,4,5-13C4)oxolan-2-yl](13C)methyl}sulfanyl)butanoic acid