Fig. 5

Representative HPLC chromatogram of sample on Column 12 (Exsil Mono 100 C18). A BC sample, B ITM sample, C Chromatograms of mixed standard. Tectoridin (1), Iristectorin A (2), Iristectorin B (3), Iridin (4), Tectorigenin (5), Iristectorigenin B (6), Iristectorigenin A (7), Irigenin (8), Irisflorentine (9), Dichotomitin (10)