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. 2016 May 21;21(5):678. doi: 10.3390/molecules21050678

Figure 5.

Structures of compounds 1–24.

Figure 5

Compound R1 R2 R3
1 H β-OH CH3
2 H β-OH H
3 -OH α-OH H

Figure 5

Comp. R1 R2
5 α-CH3 OH
16 α-CH3 COOH
17 β-CH3 COOCH3
19 α-CH3 COOCH3
21 β-CH3 COOH

Figure 5

Comp. R1 R2 R3 R4 R5 R6 R7
6 β-H α-OH =O β-H α-CH3 β-H CH3
13 α-H =O H α-H α-CH3 β-H COOH
15 α-H β-OH =O α-H β-CH3 β-OH COOH
18 β-H β-OH =O β-H α-CH3 β-H COOH

Figure 5

Comp. R1 R2 R3 R4 R5 R6 R7
10 β-OH α-H β-OH β-OH =O β-CH3 (CH2)2COOH
11 =O α-H β-OH β-H α-OH α-CH3 =O
12 β-OH α-H =O β-H =O α-CH3 =O
14 β-OH β-H β-OH β-H α-OH α-CH3 CH2OH

Figure 5