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. Author manuscript; available in PMC: 2019 Sep 28.
Published in final edited form as: J Nat Prod. 2018 Sep 10;81(9):1962–1967. doi: 10.1021/acs.jnatprod.8b00131

Figure 2.

Figure 2.

A) Structures isolated from T. pratense. B) Structure of progesterone. C) PRE/Luc activity in Ishikawa PR-B cells treated with 50 μM of irilone (1), prunetin (2), formononetin (3), and biochanin A (4), and progesterone as indicated. Bars without the same letter (a-c) are significantly different from each other at p<0.05. n≥3.