Synonyms: Butanoicacid,3,10-bis(acetyloxy)-3,5,6,6a,7,8,9,10-octahydro-5-methoxy-7,8-dimethyl-7-(3-methyl-2,4-pentadienyl)-1H-naphtho[1,8a-c]furan-1,9-diylester, [1S-[1a,3a,5a,6aa,7a(Z),8a,9b,10a,10aR*]]-; 1H-Naphtho[1,8a-c]furan,butanoic acid deriv.; Casearin N