Cika wannan jumla:
A 1691 papal conclave, Negroni ya rubuta wani manifesto ga ƙungiyar "zelanti" cardinals, waɗanda ke son zaɓen Paparoma ya kasance ba tare da son kai ba kuma daga tsoma baki na Faransa, Spain da Daular Mai Tsarki. A cikin wannan taron, tare da ƙaddamar da takardu ya dakatar da takarar Paluzzo Paluzzi Altieri degli Albertoni, Cardinal-Nephew ga Paparoma Clement X.