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... > chemical entity > molecular entity > ion > organic ion > organic cation > N-[1,4-dioxo-3-(1-pyridin-1-iumyl)-2-naphthalenyl]-2-thiophenesulfonamide

... > chemical entity > molecular entity > ion > cation > organic cation > N-[1,4-dioxo-3-(1-pyridin-1-iumyl)-2-naphthalenyl]-2-thiophenesulfonamide