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MassMS-NW-8629 dimethyl methylsuccinate C7H12O4 (Mass of molecular ion: 160)
Source Temperature: 250 °C Sample Temperature: 140 °C Reservoir, 75 eV
15.0 25.2 27.0 5.0 28.0 2.9 29.0 8.6 31.0 3.0 39.0 8.2 40.0 2.1 41.0 20.7 42.0 11.2 43.0 6.2 45.0 2.5 55.0 6.6 56.0 1.7 58.0 1.7 59.0 100.0 60.0 3.1 69.0 14.8 70.0 1.2 71.0 1.0 72.0 1.6 73.0 1.3 74.0 5.6 85.0 1.5 87.0 10.5 99.0 1.3 100.0 17.4 101.0 19.1 102.0 1.2 128.0 15.1 129.0 27.7 130.0 1.9
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H12 O4 0.05 ml : 0.5 ml CDCl3 dimethyl methylsuccinate 
Assign. Shift(ppm)
A *1 3.701 B *1 3.683 C 2.928 D 2.745 E 2.426 F 1.226 J(D,E)=-16.4HZ J(C,E)=6.2HZ J(C,D)=7.8HZ
Hz ppm Int.1479.13 3.702 1000 1472.05 3.684 975 1180.79 2.955 46 1174.68 2.940 54 1173.71 2.937 68 1172.73 2.935 64 1167.48 2.922 57 1166.63 2.920 76 1165.53 2.917 65 1159.42 2.902 57 1109.62 2.777 123 1101.44 2.757 95 1093.02 2.735 147 1084.96 2.715 124 979.61 2.452 137 973.63 2.437 128 963.13 2.410 108 957.03 2.395 102 493.77 1.236 632 486.57 1.218 637
in CDCl3
liquid film
4880 A,200 M,liquid
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