1110-56-1 2H,3H-Cyclopenta(d')naphtho(1,8-bc:2,3-b')difuran-6-acetic acid, 8-(3-furanyl)-2a,4,5,5a,6,6a,8,9,9a,10a,10b,10c-dodecahydro-3-hydroxy-2a,5a,6a,7-tetramethyl-5-((2-methyl-1-oxo-2-butenyl)oxy)-, methyl ester 3-Deacetylsalannin