Figure 2.

1H-NMR Spectrum of Ignatia-30 C (Helios): expansion of 1.8 – 4.0 ppm region. Key to peaks [position – interpretation]: 1.90 – acetate; 2.22 – acetone; 2.77 – C6H8O2 (1,4-cyclohexanedione marker); 3.35 – methanol; 3.60 – artifact (C1); 3.65 – ethanol, methylene quartet; 3.88 – artifact (R5).

Anick BMC Complementary and Alternative Medicine 2004 4:15   doi:10.1186/1472-6882-4-15
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