2013115411-[(3aR,4R,6S,6aR)-6-(chloromethyl)-2-oxo-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3,2]dioxathiol-4-yl]-4-am

2013115424-amino-1-[(2R,3R,4S,5S)-5-(chloromethyl)-3,4-dihydroxyoxolan-2-yl]pyrimidin-2-one

201311543[[5-(4-amino-2-oxo-pyrimidin-1-yl)-3-hydroxy-oxolan-2-yl]methoxy-hydroxy-phosphoryl]oxyphosphonic aci

201311544[3,4-diacetyloxy-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl acetate

201311545(2R,4R,5R,6S)-4-(hydroxymethyl)-10-imino-3,7-dioxa-1,9-diazatricyclo[6.4.0.02,6]dodeca-8,11-dien-5-ol

2013115466-N6,N4-trimethyl-1,4-dihydro-1,3,5-triazine-2,6-diamine Hydrochloride

201311547N-(3-formylphenyl)nitrous amide

201311548N1-(3-chloropropyl)-1,3-propanediamine

201311549[2-[3-[3-[(2,2,3,3,4,4,5,5,6,6-decadeuteriopiperidin-1-yl)methyl]phenoxy]propylamino]-2-oxoethyl] ace

201311550Roxatidine Impurity 31

2013115512-Hydroxyacetic acetic anhydride

201311552Roxatidine Impurity 38