hexacyclic ring
1Camptothecin — Systematic (IUPAC) name (S) 4 ethyl 4 hydroxy 1H pyrano[3 ,4 :6,7]indolizino[1,2 b] quinoline 3,14 (4H,12H) dione Clinical data …
2Azocines — are 8 membered heterocyclic compounds, with one of the carbon atoms replaced with a nitrogen.Azocine rings are found in many natural products, including the manzamine family of marine alkaloids. One such compound is Nakadomarin A, which contains… …
