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Products of high-energy proton irradiation of FA in the presence of meteorites. (A1) Nucleobases, nucleobase analogs, and intermediates of the condensation. (A2) Sugars and sugar derivatives. (A3) Nucleosides. The yields of compounds in A1–A3 are in Table 1. (B) Carboxylic acids. The yields of compounds in B are in Table 3. (C) Amino acids. The yields of compounds in C are in Table 5.
