(2R,5S,7'R)-2,4',5',7,7',8-Hexamethyl-2,7'-bis-[(4R,8R)-4,8,12-trimethyl-tridecyl]-1',2,3,4,6,7',8',9'-octahydrospiro[5H-1-benzopyran-5,2'-[2H]furo[3,2-f][1]benzopyran]-6-one InChI=1/C57H94O4/c1-38(2)21-15-23-40(5)25-17-27-42(7)29-19-33-55(13)35-31-48-49-37-57(61-52(49)45(10)44(9)51(48)59-55)50-32-36-56(14,60-53(50)46(11)47(12)54(57)58)34-20-30-43(8)28-18-26-41(6)24-16-22-39(3)4/h38-43H,15-37H2,1-14H3/t40-,41-,42-,43-,55-,56 rel-(2R,5S,7'R)-2,4',5',7,7',8-hexamethyl-2,7'-bis[(4R,8R)-4,8,12-trimethyltridecyl]-1',3,4,7',8',9'-hexahydrospiro[chromene-5,2'-furo[3,2-f]chromen]-6(2H)-one spiro[5H-1-benzopyran-5,2'-[2H]furo[3,2-f][1]benzopyran]-6(2H)-one, 1',3,4,7',8',9'-hexahydro-2,4',5',7,7',8-hexamethyl-2,7'-bis[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R,5S,7'R)-