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MS-IW-4250 5-hydroxy-2-(p-hydroxyphenyl)-7-methoxy-4-chromenone C16H12O5 (Mass of molecular ion: 284)
Source Temperature: 200 °C Sample Temperature: 220 °C Direct, 75 eV
18.0 3.9 28.0 4.7 39.0 2.3 51.0 2.0 53.0 1.7 55.0 1.0 62.0 1.0 63.0 2.3 64.0 1.0 65.0 2.0 67.0 1.0 69.0 5.5 77.0 1.1 79.0 1.2 89.0 2.3 91.0 1.0 93.0 1.4 95.0 7.2 108.0 3.0 110.0 4.2 118.0 6.0 119.0 4.0 121.0 4.2 123.0 3.5 128.0 8.6 128.5 1.3 136.0 2.2 137.0 3.9 138.0 9.2 139.0 1.3 145.0 1.4 157.0 1.5 166.0 9.0 167.0 8.4 168.0 1.2 212.0 2.1 226.0 2.3 227.0 2.0 241.0 10.0 242.0 1.8 254.0 6.4 255.0 27.5 256.0 6.4 270.0 1.9 283.0 14.2 284.0 100.0 285.0 17.5 286.0 2.5
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