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3.6 (d, 2H, NCH -2, J = 7 Hz), 3.05 (d, 2H, NCH2-6), 2.4 (q, 2H, as the title compound: .... 238 (5%), 224 (C12H, SFN]", 40%), 210 (5%), 184 (5%), 165. ([C H, 3S]* ...