Suspensolide A 生成 [(1S,4aS,6S,7R,7aS)-6-acetyloxy-7-(acetyloxymethyl)-7-hydroxy-4-methyl-4a,5,6,7a-tetrahydro-1H-cyclopenta[c]pyran-1-yl] 3-methylbutanoate
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IWAGAWA, TETSUO;HASE, TSUNAO, PHYTOCHEMISTRY, 28,(1989) N, C. 2393-2396
Two bitter principles isolated from Viburnum suspensum have been determined to be a new iridoid glucoside (1) and its aglucone (2) by spectroscopic and chemical methods.