Помогите, пожалуйста, со статьей:
Pirjo Vainiotalo, Pirjo-Liisa Savolainen, Markku Ahlgrén, Pentti J. Mälkönen and Jouko Vepsäläinen. Identification of the condensation products of 1,2- and 1,3-amino alcohols with keto esters by NMR spectroscopy, mass spectrometry and X-ray crystallography studies. Open or ring forms?// J. Chem. Soc., Perkin Trans. 2, 1991, 735 -
741.
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http://dx.doi.org/10.1039/P29910000735
