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NAADE KENKYUSHO KK
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NAADE KENKYUSHO KK
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Priority to JP56214186ApriorityCriticalpatent/JPS58110550A/ja
Publication of JPS58110550ApublicationCriticalpatent/JPS58110550A/ja
Publication of JPH0217535B2publicationCriticalpatent/JPH0217535B2/ja
Studies on paraionic compounds. Anhydro-1-hydroxy-3-oxopyrazolo [1, 2-a] pyrazolium hydroxides. Formation and stability of a novel series of 4n. pi. heterocyclic betaines