182234-02-2 2H,5H-Furo(2'',3'':3',5')furo(3',4':6,7)naphth(2,3-e)isoindole-2,6,10,14(5aH)-tetrone, 3,3a,11,12-tetrahydro-9,13-dihydroxy-3a-methoxy-11-methyl-5a-((tetrahydro-5-hydroxy-6-2H-pyran-2-yl)oxy)- Lactonamycin