SYNTHESIS OF SPIRANES WITH FRAGMENTS OF 3-METHYL-2-AZAFLUORENE AND INDANE, PYRAZOLINE, CYCLOPROPANE BASED ON 3-METHYL-9-PHENYLETHYNYL-2-AZAFLUOREN-9-OL ArticlePROSTAKOV N.S., MAKULI M., MIKHAILVOA N.M., ABUBAKR K., SERGEYEVA N.D., OBYNOCHNYI A.A.Chemistry of Heterocyclic Compounds / KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. 1985. P.. 539-541
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