18-nor-3-ketoaphidicolin

Dodecahydro-9-hydroxy-9-(hydroxymethyl)-4,11B-dimethyl-8,11A-methano-11ah-cyclohepta(A)naphthalen-3(2H)-one

8,11A-Methano-11ah-cyclohepta(A)naphthalen-3(2H)-one, dodecahydro-9-hydroxy-9-(hydroxymethyl)-4,11B-dimethyl-