co CI 14. NH sol 15. PTSA 16. oy i) NH3 I) P2O5 o 17. PTSA CN 18. OH O EO 19. OH 20. NH2 ОН 10 . 21. H
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co CI 14. NH sol 15. PTSA 16. oy i) NH3 I) P2O5 o 17. PTSA CN 18. OH O EO 19. OH 20. NH2 ОН 10 . 21. H
co CI 14. NH sol 15. PTSA 16. oy i) NH3 I) P2O5 o 17. PTSA CN 18. OH O EO 19. OH 20. NH2 ОН 10 . 21. H
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