8a-hydroxy-3-(hydroxymethyl)-3-methoxy-2,4',4',5'-tetramethyl-9a-(methylsulfanyl)-1,3',4-trioxododecahydro-3'H-spiro[cyclopenta[4,5]pyrrolo[1,2-a]pyrazine-7,2'-furan]-8-yl acetate
CAS No. 86197-06-0