11048-15-0 2H-Furo(3,2-b)naphtho(2,3-d)pyran-2,6,11-trione, 3,3a,5,11b-tetrahydro-7-hydroxy-5-methyl- 3,3aalpha,5alpha,11balpha-Tetrahydro-7-hydroxy-5-methyl-2H-furo(3,2-B)naphtho-(2,3-D)pyran-2,6,11-trione Antibiotic U-19,718 KALAFUNGIN Kalafungin [USAN:INN] Kalafungina [INN-Spanish] Kalafungine [INN-French] Kalafunginum [INN-Latin] Kalamycin NSC 137443 U 19718