127759-55-1 SPIRO[CYCLOPROPANE-1,9-TETRACYCLO[3.3.1.02,4.06,8]NONANE],2-METHYL-,(1-A-,2-A-,4-A-,5-A-,6-A-,8-A-)- 128255-36-7 Naphtho[2,3-b]furan-2(4H)-one,4a,5,6,7,9,9a-hexahydro-9a-hydroxy-3,4a,5-trimethyl-, [4aR-(4aa,5a,9ab)]- 128255-52-7 (2R,3S,5aR)-3,5a-dimethyl-6-{(1R)-1-[(1S,3R,5S)-1,5,6,6-tetramethyl-2,7,8-trioxabicyclo[3.2.1]oct-3-yl]ethyl}-1a,5a,6,7,8,8a,8b,8c-octahydro-3'H-spiro[cyclopenta[7,8]naphtho[1,2-b]oxirene-2,2'-furan]-5,5'(3H,4'H)-dione