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Table 5 In vitro cytotoxic screening of 5a–n against A549 human lung cancer cells

From: Bioactive fluorenes. Part III: 2,7-dichloro-9H-fluorene-based thiazolidinone and azetidinone analogues as anticancer and antimicrobial against multidrug resistant strains agents

Comp.

Validity (%) for sample concentrations (µg/mL)

IC50 (µg/mL)

0

1

10

31.25

62.50

125

250

500

1000

5a

100

95.6

91.4

86.8

82.3

79.7

75.4

45.5

12.5

413

5b

100

91.2

85.4

83.99

67.8

64.3

57.1

44.2

17.8

402

5c

100

91.2

90.1

89.2

80.9

62.6

59.8

46.3

14.9

415

5d

100

98.4

91.7

88.9

82.2

78.8

73.01

58.6

18.1

574

5e

100

93.4

90.2

85.6

77.3

72.2

65.7

62.2

48.9

847

5f

100

94.97

89.8

86.96

83.8

79.2

75.4

65.5

12.6

567

5g

100

93.7

90.3

88.7

78.6

84.1

75.7

56.3

16.8

572

5h

100

92.9

91.4

90.3

88.7

85.7

82.7

77.2

68.0

1607

5i

100

93.3

92.2

91.4

85.6

81.3

76.9

63.2

49.3

896

5j

100

92.9

84.6

83.6

82.5

81.6

77.5

71.4

52.5

1046

5k

100

95.2

92.3

85.9

83.9

79.6

76.9

60.9

22.6

613

5l

100

96.5

93.6

75.4

72.2

68.01

62.9

51.9

41.3

577

5m

100

94.01

92.5

70.7

67.5

64.5

56.5

37.3

20.1

357

5n

100

94.2

91.2

83.1

78.6

70.7

58.9

27.3

8.02

380