Summary
On the basis of experimental evidence, it is proved that phthalyl urea has the structure II, and not structure I, proposed byPiutti and generally accepted by other investigators.
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Hahn, V., Hammes, P. & Gerić, Z. Die Konstitution des Phthalylharnstoffs. Experientia 10, 11–12 (1954). https://doi.org/10.1007/BF02158324
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DOI: https://doi.org/10.1007/BF02158324