Media type: E-Article Title: Synthesis of a new tetracyclic system related to aptazapine (CGS 7525A) by one-pot double annelation Contributor: Massa, Silvio; Mai, Antonello; Corelli, Federico imprint: Elsevier BV, 1988 Published in: Tetrahedron Letters Language: English DOI: 10.1016/s0040-4039(00)82376-x ISSN: 0040-4039 Keywords: Organic Chemistry ; Drug Discovery ; Biochemistry Origination: Footnote: