| 25299-91-6 | 3-chloro-4-{[(2-chloro-4-nitrophenoxy)acetyl]amino}benzenesulfonyl fluoride | C14H9 Cl2 F N2 O6 S |
| 25299-92-7 | 4-{[(2-bromo-4-nitrophenoxy)acetyl]amino}benzenesulfonyl fluoride | C14H10 Br F N2 O6 S |
| 25299-94-9 | 4-chloro-3-{[(2-chloro-4-nitrophenoxy)acetyl]amino}benzenesulfonyl fluoride | C14H9 Cl2 F N2 O6 S |