The semisandwich nature of homogeneous hydrogenation catalysts V. A. AvilovO. N. EremenkoM. L. Khibekel' Letters to the Editor Pages: 2655 - 2655
Reaction of chlorophosphites with α-etheroamines B. E. IvanovS. S. Krokhina Letters to the Editor Pages: 2656 - 2656
The reaction of 1-butyn-4-ol with isobutyraldehyde M. F. ShostakovskiiT. A. FavorskayaV. M. Vlasov Letters to the Editor Pages: 2657 - 2657
Investigation of mercaptoaldimines of the thiophene and furan series by the method of NMR V. S. BogdanovM. A. KalikYa. L. Gol'dfarb Letters to the Editor Pages: 2658 - 2658
Mass spectra of negative ions of heteroorganic compounds of group IVB R. B. Kostyanovskii Letters to the Editor Pages: 2659 - 2659
The carboxyl group of aspartic acid in the active center of pepsin V. M. StepanovT. I. Vaganova Letters to the Editor Pages: 2660 - 2660