30867-56-2

(7aS)-9-Ethyl-5,6,7,7aα,8,8aα,9,10-octahydro-12β-hydroxy-7-methylindolo[3,2,1-ij]pyrano[3,4-b][1,5]naphthyridine-12aα(12H)-carboxylic acid methyl ester