\chemfig{
HO% 3
>:[:70,,2]% 14
(
-[:170]% 25
(
-[:230]% 30
-[:170,,,2]HO% 8
)
=[:110]O% 7
)
-[:90]% 15
-[:30]% 13
(
<:[:90]O% 1
>[:150]% 19
-[:90]O% 2
-[:150]% 23
(
<:[:90]% 29
)
-[:210]% 22
(
-[:270]% 21
(
-[:330]% 20
-[:30]% -> 19
)
<:[:210,,,2]H_2N% 12
)
<:[:150,,,2]HO% 4
)
-[:330]% 17
-[:270]% 18
(
-[:210]% 16
-[:150]% -> 14
)
=^[:330]% 26
(
-[:270,,,1]OH% 6
)
-[:30]% 28
=^[:90]% 27
(
-[:150]% 24
(
=^[:210]% -> 17
)
-[:90,,,1]OH% 5
)
-[:30]% 31
(
=[:90]O% 9
)
-[:330]% 33
=^[:270]% 34
(
-[:210]% 32
(
-[:150]% -> 28
)
=[:270]O% 10
)
-[:330]% 36
=^[:30]% 38
-[:90]% 37
=^[:150]% 35
(
-[:210]% -> 33
)
-[:90]O% 11
-[:30]% 39
}