4-Hydroxy-3-methoxyphenyl glycol (Medium energy) 
No. mz RI(%) DI 
1 93.000 10.526 285.736 
2 94.000 0.719 19.528 
3 119.000 0.975 26.467 
4 120.000 2.813 76.372 
5 121.000 100.000 2714.520 
6 122.000 0.737 19.994 
7 149.000 2.453 66.598 
8 150.000 15.238 413.645 
9 151.000 0.736 19.971

