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In reviewing the essential features of the quassinoids, the new structural types discovered during the last decade will be emphasised. [Pg.222]

The number and the positions of the methyl groups are the same on these five basic skeletons and all the quassinoids so far known have only one methyl group at C-4. [Pg.222]

See other pages where Quassinoid General Features is mentioned: [Pg.221] [Pg.222] [Pg.221] [Pg.222] [Pg.434] [Pg.442]