SYNTHESIS AND REACTIONS OF 9-HYDROXY-(Α-ALKOXYCARBONYLALKYL)-4-AZAFLUORENES СтатьяProstakov N.S., Kruglyak E.V., Shalimov V.P., Sergeeva N.D., Rubio F.E.Chemistry of Heterocyclic Compounds. Том 27. 1991. С. 67-70
SYNTHESIS OF 9-OXY-(ALPHA-CARBALKOXYALKYL)-4-AZAFLUORENES AND THEIR TRANSFORMATIONS СтатьяPROSTAKOV N.S., KRUGLYAK E.V., SHALIMOV V.P., SERGEEVA N.D., RUBIO F.E.Химия гетероциклических соединений. 1991. С. 81-85