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MassMS-NW-7592 (+-)-ethyl 3-piperidinecarboxylate C8H15NO2 (Mass of molecular ion: 157)
Source Temperature: 260 °C Sample Temperature: 170 °C Reservoir, 75 eV
15.0 1.9 26.0 1.8 27.0 14.5 28.0 14.8 29.0 18.4 30.0 16.6 31.0 3.4 39.0 6.7 40.0 1.2 41.0 8.4 42.0 18.7 43.0 10.6 44.0 18.1 45.0 2.9 51.0 1.2 52.0 1.1 53.0 4.5 54.0 7.0 55.0 23.5 56.0 67.7 57.0 85.2 58.0 5.2 67.0 3.2 68.0 9.7 69.0 4.2 70.0 8.3 71.0 1.1 73.0 22.4 74.0 1.1 80.0 3.2 81.0 2.1 82.0 23.9 83.0 26.4 84.0 100.0 85.0 7.1 86.0 1.0 99.0 1.3 100.0 8.0 101.0 14.8 102.0 1.0 110.0 9.4 111.0 1.2 112.0 39.4 113.0 4.1 114.0 1.6 128.0 60.6 129.0 7.1 140.0 1.4 156.0 8.4 157.0 29.2 158.0 3.3 170.0 4.0
400 MHz in CDCl3
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1H NMR 399.65 MHz C8 H15 N O2 0.05 ml : 0.5 ml CDCl3 (+-)-ethyl 3-piperidinecarboxylate 
Assign. Shift(ppm)
A 4.130 B 3.159 C 2.932 D 2.809 E 2.640 F 2.435 G 2.00 J 1.96 K 1.67 L 1.47 M 1.255
Hz ppm Int.1661.99 4.159 108 1661.13 4.157 122 1654.79 4.141 296 1653.93 4.139 332 1650.15 4.129 33 1647.58 4.123 306 1646.85 4.121 342 1643.19 4.112 32 1640.38 4.105 116 1639.77 4.104 125 1271.12 3.181 65 1267.46 3.172 67 1258.79 3.150 76 1255.13 3.141 77 1182.50 2.959 43 1178.59 2.950 66 1174.56 2.939 46 1170.04 2.928 54 1166.14 2.918 80 1162.23 2.909 50 1133.18 2.836 108 1123.90 2.813 119 1120.85 2.805 98 1111.57 2.782 99 1067.75 2.672 60 1064.70 2.665 68 1057.50 2.647 72 1054.57 2.639 96 1052.37 2.634 63 1045.04 2.615 57 1041.99 2.608 53 986.69 2.469 36 982.67 2.459 70 978.76 2.450 54 976.93 2.445 60 973.02 2.435 106 969.12 2.425 67 967.53 2.421 49 963.50 2.411 67 959.59 2.402 35 806.03 2.017 35 802.86 2.009 43 798.71 1.999 62 794.68 1.989 58 793.33 1.986 53 790.41 1.978 80 788.21 1.973 76 781.86 1.957 134 684.20 1.712 37 682.50 1.708 36 680.30 1.703 54 678.59 1.698 54 674.07 1.687 86 670.90 1.679 128 667.60 1.671 82 666.38 1.668 66 664.79 1.664 55 663.09 1.660 95 659.55 1.651 145 656.01 1.642 78 649.54 1.626 35 508.79 1.274 563 501.59 1.256 1000 497.92 1.246 56 494.51 1.238 564
in CDCl3
liquid film
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