1 YSC [(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl ~{N}-[(2~{S})-2-azanyl-3-(4-hydroxyphenyl)propanoyl]sulfamate 1.000 2 YSU [(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl ~{N}-[(2~{S})-2-azanyl-3-(4-hydroxyphenyl)propanoyl]sulfamate 0.941 3 Y3U [(2~{R},3~{S},4~{R},5~{R})-5-[3-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl ~{N}-[(2~{S})-2-azanyl-3-(4-hydroxyphenyl)propanoyl]sulfamate 0.914 4 YSA 5'-O-[N-(L-tyrosyl)sulfamoyl]adenosine 0.838 5 W5Y 5'-O-(L-phenylalanylsulfamoyl)adenosine 0.811 6 FZQ 5'-O-(N-(L-seryl)-sulfamoyl)cytidine 0.765 7 8PZ [(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl ~{N}-[(3~{S})-3-azanyl-3-phenyl-propanoyl]sulfamate 0.763 8 66I {(2r,3s,4r,5r)-5-[4-amino-3-(difluoromethoxy)-1h-pyrazolo[3,4-D]pyrimidin-1-yl]-3,4-dihydroxyoxolan-2-yl}methyl [(2s)-2-amino-3-(4-hydroxyphenyl)propanoyl]sulfamate (non-preferred name) 0.756 9 RRB [(2~{R},3~{S},4~{R},5~{R})-5-[7-azanyl-5-(hydroxymethyl)benzimidazol-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl ~{N}-[(2~{S})-2-azanyl-3-(4-hydroxyphenyl)propanoyl]sulfamate 0.750 10 HFR [(2r,3s,4r,5r)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl N-[(3s)-3-azanyl-3-(3-bromophenyl)propanoyl]sulfamate 0.744 11 G5N 5'-O-(N-(L-aspartyl)-sulfamoyl)cytidine 0.722 12 HQ5 5'-O-(N-(L-leucyl)-sulfamoyl)cytidine 0.722 13 FZK 5'-O-(N-(L-seryl)-sulfamoyl)uridine 0.714 14 WSA 5'-O-[(L-tryptophylamino)sulfonyl]adenosine 0.707