20485-01-2 8H,16H-7a,15a-Epidithio-7H,15H-bisoxepino(3',4':4,5)-pyrrolo(1,2-a:1',2'-d)pyrazine-7,15-dione, 5,5a,13,13a-tetrahydro-5,13-dihydroxy-, diacetate (ester) Acetylaranotin Antibiotic LL-S-88-A BRN 0600565 LL-S-88-A