\chemfig{
HO% 3
>[:290,,2]% 14
(
-[:190]% 25
(
-[:130]% 30
-[:190,,,2]HO% 8
)
=[:250]O% 7
)
-[:270]% 15
-[:330]% 13
(
<[:270]O% 1
>:[:210]% 19
-[:270]O% 2
-[:210]% 23
(
<[:270]% 29
)
-[:150]% 22
(
-[:90]% 21
(
-[:30]% 20
-[:330]% -> 19
)
<[:150,,,2]H_2N% 12
)
<[:210,,,2]HO% 4
)
-[:30]% 17
-[:90]% 18
(
-[:150]% 16
-[:210]% -> 14
)
=_[:30]% 26
(
-[:90,,,1]OH% 6
)
-[:330]% 28
=_[:270]% 27
(
-[:210]% 24
(
=_[:150]% -> 17
)
-[:270,,,1]OH% 5
)
-[:330]% 31
(
=[:270]O% 9
)
-[:30]% 33
=_[:90]% 34
(
-[:150]% 32
(
-[:210]% -> 28
)
=[:90]O% 10
)
-[:30]% 36
=_[:330]% 38
-[:270]% 37
=_[:210]% 35
(
-[:150]% -> 33
)
-[:270]O% 11
-[:330]% 39
}