4H-Pyrrolo(2,3-d)pyrimidin-4-one, 2-amino-5-((((1S,4S,5R)-4,5-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-1,7-dihydro- 4H-Pyrrolo(2,3-d)pyrimidin-4-one, 2-amino-5-(((4,5-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-1,7-dihydro-, (1S-(1alpha,4beta,5beta))- 7-(3,4-trans-4,5-cis-Dihydroxy-1-cyclopenten-3-ylaminomethyl)-7-deazaguanine 72496-59-4 Base Q Q Base Queuine