Synthesis of Trihydroxylated Pyrrolizidine using 1,3-Dipolar Cycloaddition of d-Erythrose Derived Nitrone - Kubáň, Juraj; Kolarovič, Andrej; Fišera, Lubor; Jäger, Volker; Humpa, Otakar; Prónayová, Nada (Synlett, 2001)