CONCLUSION: Ethyl benzoate and phenylmethyl benzoate were the main components in the oils from D. chinensis, D. grandifolius and D. yunnanensis but less in that from D. dumosus.

• 结论：苯甲酸乙酯和苯甲酸苯甲酯在假鹰爪、大叶假鹰爪和云南假鹰爪中含量很高，而在毛叶假鹰爪中含量较低。