ISSN 0042-1308 Synthesis of heterofused pteridines A V Gulevskaya, A F Pozharskii Subphthalocyanines and their analogues: methods for the synthesis and structure modification A Yu Tolbin, L G Tomilova Conformational effects in excited state intramolecular proton transfer of organic compounds B M Uzhinov, M N Khimich Magnetometric investigation methods for the study of supported catalysts P A Che..