Known as: 4,6-Methano-5H-benz(h)oxazolo(3,2-a)pyrazino(3,2,1-de)(1,5)naphthyridine-7-carbonitrile, 1,2,3a,4,4a,6,7,9,10,13,13b,13c-dodecahydro-9-(hydroxymethyl)-11-methoxy-5,12-dimethyl-10,13-dioxo-, (3aS-(3aalpha,4alpha,4abeta,6alpha,7beta,9alpha,13bbeta,13cbeta))-, cyanocycline A
.......................................................................................................................................... ii Preface............................................................................................................................................ iii Table of