Table 4. Percentage of PANC-1Cell Survival Studies with SAHA Derivatives.

	concentrations
entry	3.125 μM	6.25 μM	12.5 μM	25.0 μM	50.0 μM	IC50 (μg/mL)
4a	90.76 ± 0.95	83.52 ± 0.54	75.77 ± 1.06	63.93 ± 0.87	58.42 ± 0.72	57.08
4b	92.61 ± 0.46	84.88 ± 0.59	76.86 ± 0.73	64.87 ± 0.63	57.67 ± 0.78	55.66
4c	93.78 ± 1.27	85.69 ± 0.19	74.36 ± 0.49	67.58 ± 0.23	63.92 ± 0.57	67.21
4d	94.42 ± 0.78	88.69 ± 0.65	81.93 ± 0.52	76.58 ± 0.37	72.66 ± 0.48	218.16
4e	99.91 ± 0.85	96.33 ± 0.56	94.25 ± 0.79	92.18 ± 0.83	89.71 ± 0.65	258.74
4f	99.41 ± 0.38	97.75 ± 0.54	96.13 ± 0.42	94.76 ± 0.37	91.85 ± 0.59	332.59
4g	98.02 ± 0.55	91.15 ± 0.73	89.60 ± 0.41	88.04 ± 0.39	85.50 ± 0.65	221.08
4h	95.71 ± 0.48	91.58 ± 0.43	89.13 ± 0.37	88.01 ± 0.62	86.05 ± 0.53	262.37
4i	99.54 ± 0.75	95.69 ± 0.66	90.47 ± 0.62	88.89 ± 0.59	85.97 ± 0.79	188.16
4j	97.33 ± 0.98	93.67 ± 0.87	89.43 ± 0.76	84.69 ± 0.65	79.54 ± 0.93	129.54
4k	88.15 ± 0.65	82.26 ± 0.48	74.86 ± 0.35	66.52 ± 0.39	54.92 ± 0.52	54.31
4l	99.87 ± 0.63	93.14 ± 0.87	87.28 ± 0.74	82.27 ± 0.35	77.54 ± 0.72	110.24