CPC C07F 9/09 (2013.01) | 8 Claims |
1. A pyridine sulfonamide phosphate compound of formula I or a pharmaceutical salt thereof:
wherein
X is O or C, or does not exist; and
Y is C, or does not exist;
when X and Y do not exist, O is directly connected to P;
when X exists but Y does not exist, X is directly connected to O; and
when Y exists but X does not exist, Y is directly connected to P.
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