1)
J.Het.Chem.1977, Volume 14, pp. 683-683
A Simple Synthesis of 8-(Trifluoromethyl)-2,3,5,6,11,12,14,15-octahydro-1H,4H,10H,13H-diquinolizino[9,9a,1-bc:9',9a',1-hi]xanthylium Perchlorate, an Efficient Dye Laser
N. F. Haley
Код: Выделить всё
https://www.jhetchem.com/cd2html.php?file=19770683J.Het.Chem.1988, Volume 25, pp. 1423-1426
Synthesis and 1H-NMR Spectra of Halogenated Spiro[isobenzofuran-1(3H),9'(9H)-6'-(methylcyclohexylamino)-3'-methyl-2'-anilinoxanthene]-3-ones
Hiroyuki Nakazumi [a], Teijiro Kitao [a], Katsuaki Ohnishi
Код: Выделить всё
https://www.jhetchem.com/cd2html.php?file=19881423