TY - J Integr Plant Biol A1 - Ai Ke-hui, Li Feng-ying, Li Yong, Wang Wei-bo and Wu Yu-yong T1 - Studies on the Naphthaquinone Constituents of Onosma confertum W. W. Smith and Quantitative Determination of Shikonin Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - EP - VL - 31 IS - 7 UR - https://www.jipb.net N1 - ER -