Pyrano[2,3-a]carbazole-8-carboxaldehyde, 2,11-dihydro-9-hydroxy-2,2-dimethyl-

Pyrano[2,3-a]carbazole-8-carboxaldehyde, 2,11-dihydro-9-hydroxy-2,2-dimethyl- · CAS 185508-03-6