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The intermediates:
34312-77-1 | (E)-2-(2-Nitroethenyl)thiophene |
110221-26-6 | (2S,6R)-6-Amino-2-(2-thienyl)-1,4-thiazepan-5-one |
88767-98-0 | Ethyl (R)-4-phenyl-2-[[(trifluoromethyl)sulfonyl]oxy]butyrate |
90315-82-5 | Ethyl (R)-2-hydroxy-4-phenylbutyrate |