SYNTHESIS AND MOLECULAR STRUCTURE OF DIBENZO [4-(ALPHA-THIENYL- AND ALPHA-PYRROLYL)PYRIDO]AZA-14-CROWN-4 ETHERS Статья Le A.T., Truong H.H., Nguyen P.T.T., Pham H.T., Kotsuba V.E., Soldatenkov A.T., Khrustalev V.N., Wodajo A.T. Macroheterocycles. Том Vol 7. 2014. С. 386-390