H chart
3.latibracteata with bioactivity-guided fractionated. Comparing with the standard spectra of chromatography chart such as MS, 1H NMR and 13C NMR, compound 1# and compound 2# were primarily identitied as fatty alcohol and salicylic acid easter, compound 3# and compound 6# were identified as β-sitosterol and stearic acid.

