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MassMS-NW-1287 ethyl 4-piperidinecarboxylate C8H15NO2 (Mass of molecular ion: 157)
Source Temperature: 260 °C Sample Temperature: 180 °C Reservoir, 75 eV
15.0 3.1 18.0 2.5 26.0 2.0 27.0 14.6 28.0 14.0 29.0 21.8 30.0 21.3 31.0 7.6 39.0 6.2 41.0 4.9 42.0 19.9 43.0 17.9 44.0 11.2 45.0 4.2 46.0 1.3 53.0 3.7 54.0 4.3 55.0 28.9 56.0 65.9 57.0 100.0 58.0 4.0 67.0 2.4 68.0 4.5 69.0 2.2 70.0 3.8 73.0 13.2 74.0 2.2 80.0 2.0 82.0 35.2 83.0 8.4 84.0 49.3 85.0 4.4 86.0 1.6 94.0 1.2 100.0 5.4 101.0 7.8 102.0 1.2 110.0 1.3 112.0 30.3 113.0 2.3 114.0 3.1 128.0 28.9 129.0 4.0 142.0 2.0 156.0 5.1 157.0 19.4 158.0 1.9 170.0 1.9
90 MHz in CDCl3
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1H NMR 89.56 MHz C8 H15 N O2 0.04 ml : 0.5 ml CDCl3 ethyl 4-piperidinecarboxylate 
Assign. Shift(ppm)
A 4.130 B 3.087 C 2.64 D 2.41 E 1.89 F 2.06 to 1.46 G 1.255
Hz ppm Int.380.94 4.254 121 373.75 4.174 411 366.63 4.094 435 359.56 4.015 148 287.81 3.214 44 284.00 3.172 80 280.38 3.131 52 275.44 3.076 78 271.56 3.033 133 268.06 2.994 72 267.75 2.990 72 248.69 2.777 100 245.56 2.742 98 237.81 2.656 118 236.31 2.639 83 234.69 2.621 129 231.38 2.584 30 227.06 2.536 43 225.38 2.517 76 222.44 2.484 83 220.38 2.461 50 216.31 2.416 96 212.25 2.370 44 209.31 2.338 35 205.38 2.294 74 201.38 2.249 41 177.63 1.984 46 173.75 1.941 62 173.31 1.936 62 169.44 1.892 548 164.81 1.841 144 161.13 1.800 189 157.00 1.754 115 150.25 1.678 124 147.88 1.652 54 146.13 1.632 119 144.13 1.610 40 143.75 1.606 41 139.31 1.556 46 137.06 1.531 51 135.31 1.511 50 133.00 1.486 49 119.38 1.333 478 112.25 1.254 1000 106.56 1.190 40 105.13 1.174 432
in CDCl3
CCl4 solution
liquid film
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