Antibacterial Potential of Symmetrical Twin-Drug 3,6-Diaminoxanthones.

"Conflicts of Interest The authors declare no conflicts of interest."

"This research was supported by national funds through the FCT—Foundation for Science and Technology within the scope of UIDB/04423/2020, UIDP/04423/2020 (Group of Marine Natural Products and Medicinal Chemistry CIIMAR), and under the projects EXPL/CTA-AMB/0810/2021 and PTDC/CTA-AMB/0853/2021, co-financed by COMPETE 2020, Portugal 2020 and the European Union through the ERDF and by FCT through national funds, as well as R&D&I ATLANTIDA (reference NORTE-01-0145-FEDER-000040), supported by NORTE2020, through ERDF. D.I.S.P.R. acknowledges her individual researcher contract (2022.00379.CEECIND). Gabriella Spengler was supported by the János Bolyai Research Scholarship (BO/00158/22/5) of the Hungarian Academy of Sciences."