Use ?	Gain/Loss	Formula	Mass Offset	Name
1	1	1	O	15.995	oxidation
2	1	2	O	31.990	di-oxidation
3	1	3	O	47.985	tri-oxidation
4	1	1	H2O	18.011	gain of H2O
5	1	1	H2	2.016	hydrogenation
6	1	-1	CH2	-14.016	demethylation
7	1	-1	H2	-2.016	dehydrogenation
8	1	1	SO3	79.957	sulfonation
9	1	1	CH2	14.016	methylation
10	1	2	CH2	28.032	di-methylation
11	1	1	C6O6H8	176.034	glucuronidation
12	1	2	C6O6H8	352.068	bis-glucuronide
13	1	1	C6O6H8SO3	255.991	gluc-sulphate
14	1	1	C6O6H8O	192.029	gluc - oxidation
15	1	1	C10H15N3O6S	305.071	GSH
16	1	1	C6H10O5	162.055	glucose