Figure 3.

High performance liquid chromatography (HPLC) fingerprints of QRF (a) and AC-2 (b). Rt for AC2 = 2.878 min. HPLC fingerprint of another benzoquinonoid compound isolated from QRF in Ardisia crispa roots (Rt = 2.619 min).

Hamsin et al. BMC Complementary and Alternative Medicine 2013 13:5   doi:10.1186/1472-6882-13-5
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