1.0 2026-09-21 12:27:00 UTC 2026-09-21 12:27:27 UTC FDB116425 Quinolactacin A 3-butan-2-yl-4-methyl-2,3-dihydropyrrolo[3,4-b]quinoline-1,9-dione 4-methyl-3-sec-butyl-2,3-dihydropyrrolo[3,4-b]quinoline-1,9-dione C16H18N2O2 InChI=1S/C16H18N2O2/c1-4-9(2)13-14-12(16(20)17-13)15(19)10-7-5-6-8-11(10)18(14)3/h5-9,13H,4H2,1-3H3,(H,17,20) FLHQAMWKNPOTDV-UHFFFAOYSA-N formula C16H18N2O2 ChemAxon inchi InChI=1S/C16H18N2O2/c1-4-9(2)13-14-12(16(20)17-13)15(19)10-7-5-6-8-11(10)18(14)3/h5-9,13H,4H2,1-3H3,(H,17,20) ChemAxon inchikey FLHQAMWKNPOTDV-UHFFFAOYSA-N ChemAxon