64599-26-4 (3S,5'R,5aR,7S,8S,8aS)-8a-hydroxy-3-(hydroxymethyl)-2,4',4',5'-tetramethyl-1,3',4-trioxodecahydro-3'H,8H-spiro[3,9a-epidithiocyclopenta[4,5]pyrrolo[1,2-a]pyrazine-7,2'-furan]-8-yl acetate 72681-96-0 Dipyrano[3,4-b:3',4'-e]pyrazine-3,8-dimethanol,1,3,4,6,8,9-hexahydro-, cis-