![ChemInform Abstract: Σ-ADDUCTS OF HETEROCYCLES WITH NUCLEOPHILES. XXII. NUCLEAR MAGNETIC RESONANCE DATA OF PYRIDO(2,3-B)PYRAZINES AND THEIR Σ-ADDUCTS WITH AMIDE ION AND WATER]()
ChemInform Abstract: Σ-ADDUCTS OF HETEROCYCLES WITH NUCLEOPHILES. XXII. NUCLEAR MAGNETIC RESONANCE DATA OF PYRIDO(2,3-B)PYRAZINES AND THEIR Σ-ADDUCTS WITH AMIDE ION AND WATERNAGEL, A.; VAN DER PLAS, H. C.; GEURTSEN, G.; VAN VELDHUIZEN, A. · Chemischer Informationsdienst · 1979