26638-43-7
2-(氯磺酰基)苯甲酸甲酯
→
~90%
911392-01-3
methyl 2-azidosulfonylbenzoate
57683-71-3
邻甲酸甲酯苯磺酰胺
~81%
57897-77-5
Benzoic acid, 2-sulfo-, 1-methyl ester
81-08-3
2-磺基苯甲酸酐