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MassMS2016-05381CM benzyl acetoacetate C11H12O3 (Mass of molecular ion: 192)
Source Temperature: 250 °C Sample Temperature: 250 °C Reservoir, 70 eV
15.0 3.2 27.0 2.7 28.0 5.8 29.0 1.2 38.0 1.3 39.0 7.0 41.0 1.7 42.0 2.7 43.0 39.5 44.0 20.2 50.0 3.5 51.0 9.0 52.0 2.5 53.0 1.1 58.0 21.8 59.0 3.4 62.0 1.2 63.0 4.2 64.0 1.2 65.0 14.3 69.0 1.0 74.0 1.1 77.0 18.2 78.0 4.6 79.0 29.8 80.0 2.7 85.0 4.0 89.0 6.5 90.0 10.1 91.0 100.0 92.0 9.4 104.0 1.4 105.0 6.8 106.0 5.8 107.0 88.7 108.0 27.0 109.0 2.0 148.0 2.4 164.0 15.0 165.0 1.7 192.0 3.7
90 MHz in CDCl3
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1H NMR 89.56 MHz C11 H12 O3 0.05 ml : 0.5 ml CDCl3 benzyl acetoacetate 
Assign. Shift(ppm)
A 7.33 B 5.151 C 3.465 D 2.200 SMALL AMOUNT OF ENOL-FORM IS INCLUDED.
Hz ppm Int.656.88 7.335 1000 461.38 5.152 471 416.69 4.653 27 310.38 3.466 371 197.13 2.202 691 173.00 1.932 56 172.38 1.925 52
in CDCl3
liquid film
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