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Table 1 Gradient elution program table

From: Compound traditional Chinese medicine dermatitis ointment ameliorates inflammatory responses and dysregulation of itch-related molecules in atopic dermatitis

Time (min)

0.1% Aqueous formic acid (%) (A)

0.1% Formic acid acetonitrile (%) (B)

0

98

2

1

98

2

5

80

20

10

50

50

15

20

80

20

5

95

25

5

95

26

98

2

30

98

2