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                                    IUPAC标准名
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                                                        (1'R,2R,2'S,4'S,5R,7'S,8'R,9'S,12'S,13'S,16'S,18'S)-5,7',9',13'-tetramethyl-10'-oxo-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0?,?.0?,?.0??,??]icosane]-16'-yl acetate
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                                    IUPAC传统名
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                                                        (1'R,2R,2'S,4'S,5R,7'S,8'R,9'S,12'S,13'S,16'S,18'S)-5,7',9',13'-tetramethyl-10'-oxo-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0?,?.0?,?.0??,??]icosane]-16'-yl acetate
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