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Table 4 Variance analysis of synthesis

From: Design, synthesis, and preliminary biological evaluation of catalpol propionates as antiaging drugs

Factor

Deviation square sum

Freedom

F a

F b0

Significance

A

4601.945

2

163.497

3.63

Very significant

B

28.147

2

1.000

3.63

C

110.649

2

3.931

3.63

Significant

D

35.635

2

1.266

3.63

Error

28.15

8

1.002

3.63

  1. aVariance F
  2. bCritical value F0