IUPAC:(1R,1'R,2S,3'R,4'R,5R,5'R,6'R,10'S,12'S,13'S,16'R,18'S,21'R)-4',5,6',12',17',17'-hexamethyl-18'-{[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxy}-3,6,9'-trioxaspiro[bicyclo[3.1.0]hexane-2,8'-hexacyclo[11.9.0.0^{1,21}.0^{4,12}.0^{5,10}.0^{16,21}]docosan]-3'-yl acetate
IUPAC:(1R,1'R,2S,3'R,4'R,5R,5'R,6'R,10'S,12'S,13'S,16'R,18'S,21'R)-4',5,6',12',17',17'-hexamethyl-18'-{[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxy}-3,6,9'-trioxaspiro[bicyclo[3.1.0]hexane-2,8'-hexacyclo[11.9.0.0^{1,21}.0^{4,12}.0^{5,10}.0^{16,21}]docosan]-3'-yl acetate