(2S,5S)-2-amino-5-(aminomethyl)-6-((2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl)hexanoic acid
(2s,5s)-2-amino-5-(aminomethyl)-6-((2r,3s,4r,5r)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl)hexanoic acid