title: Stereocontrolled Synthesis of 3,6-Dimethyl- 2,3,6,7,12,12a-hexahydropyrazino[1,2-b]-beta- carboline-1,4-diones.
authors.affiliation: Departamento de Química Orgánica y Farmacéutica, F. Farmacia, Universidad Complutense, 28040-Madrid, Spain.
authors.forename: Antonio
authors.initials: A
authors.lastname: Madrigal
authors.forename: Mercedes
authors.initials: M
authors.lastname: Grande
authors.forename: Carmen
authors.initials: C
authors.lastname: Avendaño