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Table 1 The IC50 index and water solubility of betulin derivatives evaluated for human Me45 cells

From: Anticancer properties of ester derivatives of betulin in human metastatic melanoma cells (Me-45)

Compound

IC50 for Me45 cells [µM]

Water solubility

24 h

48 h

72 h

Betulin‐lLys‐NH2

55.339

20.275

2.456

Very good

Betulin‐lOrn‐NH2

70.658

27.155

2.465

Very good

Betulin‐l ‐Dab‐NH2

66.453

51.405

9.253

Very good

Betulin‐lDap‐NH2

107.740

61.524

75.489

Very good

Betulin‐l ‐Ala‐NH2

86.573

62.089

10.125

Very good

Betulin

24.208

42.822

30.456

Weak

Betulinic acid

22.772

22.794

15.325

Middle