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GC chromatograms of the alkaloids from Chilean Rhodophiala species. Numbers refer to Table 2. (M) Bulbs of R. pratensis (red flowers, with leaves); (N) Aerial parts of R. pratensis (red flowers, with leaves); (O) Bulbs of R. pratensis (red flowers, without leaves); (P) Aerial parts of R. pratensis (red flowers, without leaves). IS: internal standard; U: unknown.
