126936-20-7 1H-Pyrrole-2-carboxaldehyde, 1-methyl-4-(5,6,7,8-tetrahydro-2-naphthalenyl)semicarbazone Semicarbazide, 4-(5,6,7,8-tetrahydro-2-naphthalenyl)-1-((1-methyl-2-pyrrolyl)methylene)-