3-Cyclopropyl-1-(2-fluoro-4-iodophenyl)-6,8-dimethyl-2,4,7-trioxo-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidin-5-yl 4-methylbenzenesulfonate
3-Carboxy-1,6-dimethyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-1-ium methyl sulfate
8-((2-(Dimethylamino)ethyl)amino)-5-(hydroxymethyl)-9-oxo-9H-xanthen-2-yl 4-methylbenzenesulfonate
4,6-Dioxo-2-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(2H,4H,6H)-yl benzenesulfonate
tert-Butyl 2-(((trifluoromethyl)sulfonyl)oxy)-8,9-dihydro-5H-pyrido[2,3-d]azepine-7(6H)-carboxylate
4-Oxo-4H-quinolizin-9-yl trifluoromethanesulfonate
5,7-Dihydroxy-4-oxo-2-phenyl-4H-chromen-6-yl hydrogen sulfate
2-Oxo-2H-chromen-7-yl hydrogen sulfate
8-((2-(Dimethylamino)ethyl)amino)-9-oxo-9H-xanthen-2-yl 4-methylbenzenesulfonate
1-Methyl-5,7-dioxo-4,5-dihydro-1H-pyrazolo[4,3-d]pyrimidin-6(7H)-yl benzenesulfonate
5-Oxo-8-(phenylsulfonyl)-1,2,3,5-tetrahydroindolizin-6-yl trifluoromethanesulfonate
3-(4-Hydroxyphenyl)-4-oxo-4H-chromen-7-yl hydrogen sulfate
tert-Butyl 2-(dimethylamino)-4-(tosyloxy)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate
7-Methyl-2-(methylamino)pyrido[2,3-d]pyrimidin-6-yl trifluoromethanesulfonate
Methyl 5-oxo-7-(((trifluoromethyl)sulfonyl)oxy)-1,2,3,5-tetrahydroindolizine-3-carboxylate
((2R,3R,4S,5R,6S)-3,4,5-Trihydroxy-6-((4-methyl-2-oxo-2H-chromen-7-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl hydrogen sulfate
2-Methyl-4,6-dioxo-1H-pyrazolo[3,4-d]pyrimidin-5(2H,4H,6H)-yl benzenesulfonate
3-Carbamoyl-1,6-dimethyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-1-ium methyl sulfate
tert-Butyl 2-phenyl-4-(tosyloxy)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate
5-Chloro-6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide
