Composition #4: Xu, YN., Kim, JS., Kang, SS., Son, KH., Kim, HP., Chang, HW., Bae, K. A new acylated triterpene from the roots of Chaenomeles japonica. CHEMICAL & PHARMACEUTICAL BULLETIN, 2002, vol. 50, no. 8, p. 1124–1125. DOI: 10.1248/cpb.50.1124.
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