The molecule is a puromycin 5'-phosphate compound lacking three methyl substituents (two from the exocyclic amino function of the adenine moiety and one from the phenolic function).
[(2S,3S,4R,5R)-3-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-2-yl]methyl dihydrogen phosphate