Figure 5. Fragments of 1H NMR spectra of minor constituents. (A)
Spectrum acquired with peak 7 (7); 2000 transients. (B) Spectrum
acquired with peak 4 (thapsivillosin I, 4); 256 transients. (C) Spectrum
acquired with peak 5 (thapsivillosin J, 3); 2000 transients.