I need help identifying this structure for a puzzle. Original text was blurry, so a white overlay was added for readability, though some fragments might be different. Any help or suggestions are appreciated.

an image of an unknown molecule structure with added white text an image of an unknown molecule structure


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  • $\begingroup$ I suppose the SO3 groups make it water-soluble. Does not really look like a dye (yet could be), I would rather bet on pharmaceutical. $\endgroup$ – TAR86 Nov 10 '17 at 6:13

I would expect neither Ne (Na only), nor 8 (3 only) for the marked fragments on the given structure. Both groups are most likely just sodium sulfonate $\ce{-SO3^-Na+}$ fragments. The name generated by MarvinSketch for the given structure is disodium 4‐(3‐carbamoyl‐5‐acetamidobenzamido)benzene‐1,3‐disulfonate:

enter image description here

  • 1
    $\begingroup$ using this in a substructure search in chemspider gives this neat looking thing : chemspider.com/Chemical-Structure.9564201.html I guess this image could be part of that. $\endgroup$ – gilleain Nov 10 '17 at 13:19
  • $\begingroup$ @gilleain Good find, I guess your comment might as well be an answer:) $\endgroup$ – andselisk Nov 10 '17 at 13:24

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