\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
}
