Ureylenebis substituted (or unsubstituted) phenylene-carbonyl (or sulfonyl)-imino-1,3,5 or 6-naphthalene-trisulfonic acids and salts

摘要

Ureylenebis substituted (or unsubstituted) phenylenecarbonyl (or sulfonyl)-imino-1,3,5 or 6-naphthalenetrisulfonic acids and salts thereof, useful as complement inhibitors, the intermediates thereof, and the process of making such intermediates and end products.