Synonyms: Spiro[cyclohexane-1,4'(3'H)-[1H-7,9a]methanocyclohepta[c]pyran]-2-carboxaldehyde,3-[(acetyloxy)methyl]hexahydro-5'-hydroxy-3-methyl-8'-methylene-1',9'-dioxo-,(1R,2R,3R,4'aS,5'R,7'S,9'aS)- (9CI); Spiro[cyclohexane-1,4'(3'H)-[1H-7,9a]methanocyclohepta[c]pyran]-2-carboxaldehyde,3-[(acetyloxy)methyl]hexahydro-5'-hydroxy-3-methyl-8'-methylene-1',9'-dioxo-,[4'R-[4'a(2R*,3R*),4'aa,5'b,7'b,9'ab]]-; Trichorabdal B