\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
}