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. 2015 Jan 7;6(2):183–186. doi: 10.1021/ml500525s

Figure 1.

Figure 1

Chemical structures of sophocarpine (1); E-β,γ-sophocarpinic acid (2); E-β,γ-12-N-m-cyanobenzene-sulfonyl sophocarpinic acid (3); E-β,γ-12-N-p-trifluoromethy-benzenesulfonyl sophocarpinic acid (4); and Z-α,β-sophocarpinic acid (14).