2-Aryl-4-azaindain-1,3-dionesL. E. Neiland; G. Ya. Vanag · 1967

Ultraviolet spectra of 2-phenyl-4- and 2-phenyl-5-azaindan-1, 3-dionesL. E. Neiland; G. Ya. Vanag · 1965

2-(p-nitrophenyl)-and 2-(p-dimethylaminophenyl)-4-a z a-5, 6-benzindandiones -1, 3L. E. Neiland; G. Ya. Vanag · 1965