\chemfig{ HO% 3 >:[:60.2,,2]% 14 ( -[:180.2]% 25 ( -[:240.2]% 30 -[:180.2,,,2]HO% 8 ) =[:120.2]O% 7 ) -[:90,1.042]% 15 -[:29.6,1.042]% 13 ( <:[:89.3]O% 1 >:[:149.3]% 19 -[:209.3]O% 2 -[:149.3]% 23 ( <[:209.3]% 29 ) -[:89.3]% 22 ( -[:29.3]% 21 ( -[:329.3]% 20 -[:269.3]% -> 19 ) <[:89.3,,,1]NH_2% 12 ) <[:149.3,,,2]HO% 4 ) -[:329.1,1.042]% 17 -[:270]% 18 ( -[:210.9,1.042]% 16 -[:150.4,1.042]% -> 14 ) =^[:330]% 26 ( -[:270,,,1]OH% 6 ) -[:30]% 28 =^[:90]% 27 ( -[:150]% 24 ( =^[:210]% -> 17 ) -[:90,,,1]OH% 5 ) -[:30.9,1.042]% 31 ( =[:90.7]O% 9 ) -[:330.4,1.042]% 33 =^[:270,1.042]% 34 ( -[:209.6,1.042]% 32 ( -[:149.1,1.042]% -> 28 ) =[:269.3]O% 10 ) -[:329.1,1.085]% 36 =^[:29.6,1.085]% 38 -[:90,1.085]% 37 =^[:150.4,1.085]% 35 ( -[:210.9,1.085]% -> 33 ) -[:90.7]O% 11 -[:30.7]% 39 }