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. Author manuscript; available in PMC: 2019 Jul 29.
Published in final edited form as: Chin J Nat Med. 2017 Jun;15(6):401–416. doi: 10.1016/S1875-5364(17)30062-6

Fig. 3.

Fig. 3

Chemical features of STs and DSTs related to anti-inflammatory and anticancer activities. (A) The common alkylating centers of STs and DSTs are highlighted in red. (B) DSTs often contain more alkylating centers (in red) and a novel linker between the monomers (in blue). (C) The introduction of hydroxyl group and other functional moieties may affect the target binding ability and bioavailability of STs and DSTs