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油田兵丁

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13CNMR(CDCL3) 19.44,21.39,25.51,26.83,69.26,69.31,76.30,108.08,109.19,110.62,115.68,122.23,125.50,131.19,137.08,140.67,150.56,151.29,156.49,159.06,

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