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US 4,304,904 AGranted
D-Erythro-2,3-dihydroxy-1-(and 3-) (1-phenyl-1H-pyrazolo[3,4,-b]quinoxalin-3-yl)propyl-.beta.-D-glucopyrano side (and .alpha.-D-galactopyranoside) poly(H-sulfate) salts
AssigneeAmerican Cyanamid Company
InventorsVijay G. Nair, Seymour Bernstein
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Abstract
D-Erythro-2,3-dihydroxy-1-(and 3-) (1-phenyl-1H-pyrazolo[3,4-b]quinoxalin-3-yl)propyl-.beta.-D-glucopyranosid e (and .alpha.-D-galactopyranoside) poly(H-sulfate)salts useful as complement inhibitors.
Claims5
A compound selected from those of the formulae:
- ##STR3## wherein X is -SO.sub.3 R;
- wherein R is selected from the group consisting of hydrogen and a pharmaceutically acceptable salt cation.
Dependencies are inferred from the claim text.