123355-76-0 18-Nor-3-ketoaphidicolin 8,11a-Methano-11aH-cyclohepta(a)naphthalen-3(2H)-one, dodecahydro-9-hydroxy-9-(hydroxymethyl)-4,11b-dimethyl- Dodecahydro-9-hydroxy-9-(hydroxymethyl)-4,11b-dimethyl-8,11a-methano-11aH-cyclohepta(a)naphthalen-3(2H)-one