Queuine

7-(3,4-trans-4,5-cis-Dihydroxy-1-cyclopenten-3-ylaminomethyl)-7-deazaguanine

2-Amino-5-[[[(1S)-4α,5α-dihydroxy-2-cyclopenten-1β-yl]amino]methyl]-1,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-5-[[(1S)-4α,5α-dihydroxy-2-cyclopentene-1β-yl]aminomethyl]-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidine-4-one

2-Amino-5-[[[(1S,4S,5R)-4,5-dihydroxy-2-cyclopentenyl]amino]methyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidine-4-one

4-amino-9-[[[(1S,4S,5R)-4,5-dihydroxy-1-cyclopent-2-enyl]amino]methyl]-3,5,7-triazabicyclo[4.3.0]nona-3,8,10-trien-2-one