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From the methanol extract of the bark of Harpullia pendula Planch. there have been isolated the known compounds Al-barrigenol, camelliagenin A, 22a-hydroxyerythrodiol and methyl p-coumarate. The structures of three new triterpenes were assigned as A1-barrigenol 22-angelate and camelliagenin A 16- and 22-angelate.
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Khong et al. (1976) studied this question.
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