3-(2-Naphthalenyl)-3-azabicyclo[3.2.0]heptane-2,4-dione 3-Azabicyclo[3.2.0]heptane-2,4-dione, 3-(2-naphthalenyl)- 64037-98-5 N-(.beta.-Naphthyl)-1,2-cyclobutanedicarboximide NSC527293