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. Author manuscript; available in PMC: 2017 Oct 21.
Published in final edited form as: Eur J Med Chem. 2016 Jun 13;122:102–117. doi: 10.1016/j.ejmech.2016.06.015

Table 5.

The antiproliferative effects of enmein-type diterpenoid derivatives against human cancer cell lines.

Compd EC50 (μM)
K562 MGC-803 CaEs-17 Bel-7402
1 4.76 5.69 11.03 7.48
71 8.11 14.21 30.84 32.96
72 2.64 -a 23.67 15.98
73 1.11 1.99 1.59 1.97
74 0.21 0.93 0.54 1.42
75 0.14 0.61 0.45 1.01
76 0.24 1.22 0.28 0.87
77 0.22 0.80 0.60 0.85
78 0.35 1.27 0.69 1.37
79 0.33 0.46 0.81 0.79
80 0.52 1.54 1.78 1.58
81 0.14 0.34 0.34 0.89
82 0.26 0.82 0.28 0.72
83 1.74 1.16 3.54 0.71
a

Not available.