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(2E,13E)-(8S,19S)-8,19-Dibutyl-10,21,24,26-tetramethoxy-tricyclo[18.2.2.29,12]hexacosa-1(23),2,9(26),10,12(25),13,20(24),21-octaene-3,14-dicarboxylic acid dimethyl ester
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(4E,15E)-(2S,7S,13S,18S)-2,13-Dibutyl-11,22,23,25-tetramethoxy-7,18-dimethyl-tricyclo[18.2.2.29,12]hexacosa-1(23),4,9(26),10,12(25),15,20(24),21-octaene
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