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(A) Chemical structures of sesquiterpenes (A) identified in S. glabra extract. (B) Chemical structures of sesquiterpenes (A) identified in S. glabra extract. (C) Chemical structures of sesquiterpenes (A) identified in S. glabra extract. (D) Chemical structures of sesquiterpenes (A), and diterpenes (B) identified in S. glabra extract. (E) Chemical structures of triterpenes (C) identified in S. glabra extract.
