59-49-4
2-苯并唑啉酮
→
22876-18-2
2-oxo-3H-1,3-benzoxazole-6-sulfonamide
27685-90-1
2-氧代-2,3-二氢苯并恶唑-6-磺酰氯
3588-76-9
4-氨基-3-羟基苯磺酰胺
62522-62-7
3-methyl-2-oxo-1,3-benzoxazole-6-sulfonamide