the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 of cream u043du0438u0439u043eu0440u0433u0430u043du0438u0447u0435u0441u043au043eu0439 chemistry, namely new chemical connection, the first representative of the class u0441u0435u043cu0438u043au043eu043eu0440u0434u0438u043du0438u0440u043eu0432u0430u043du043du044bu0445 u043au0440u0435u043cu043d u0438u0439u043eu0440u0433u0430u043du0438u0447u0435u0441u043au0438u0445 compounds u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0438u0434u0440u0430u0442u0443 homo oxalic acid si u043cu043eu0440u0444u043eu043bu0438u043du0438u043eu043cu0435u0442u0438u043b - si, (2 u0444u0443u0440u0438u043b) u0441u0438u043bu0430u043du0430u0442u0430 formula where p 10.which can be used, for example as a starting product u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 furan, as well as to the mode of its u043fu043eu043bu0443u0447u0435u043du0438u00a0. u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0438u0434u0440u0430u0442 guo mo oxalic acid si - u043cu043eu0440u0444u043eu043bu0438u043du0438u043eu043cu0435u0442u0438u043b - si, 51 - di (2 - u0444u0443u0440u0438u043b) u0441u0438u043bu0430u043du0430u0442u0439 1 (1 receive (n - u043cu0435u0440u0438u0437u0430u0446u0438u0435u0439 u0433u0438u0434u0440u043eu043eu043au0441u0430u043bu0430u0442u0430 in the presence of moisture in air solid phase or in solution of wet u0434u0438u043cu0435u0442u0438u043bu0441u0443u043bu044cu0444u043eu043au0441u0438 - yes. 2 u0441.u043f.u0444 - lu, 1 table. (l, c
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