Name	Ion Type	Ion Number	Theoretical Mass	Observed Mass	Mass Difference (Da)	Mass Difference (ppm)
A+4	A+	4	371.22943	371.230266	0.000835968	2.251890239
A4	A	4	370.221605	370.222473	0.000868	2.344541724
A4	A	4	370.221605	370.222473	0.000868	2.344541724
B4	B	4	398.21652	398.217407	0.000887	2.227431449
C4	C	4	415.24282	415.244075	0.001255	3.022327996
C4	C	4	415.24282	415.244075	0.001255	3.022327996
A+5	A+	5	499.28801	499.289207	0.001196968	2.397349638
A+5	A+	5	499.28801	499.289207	0.001196968	2.397349638
B5	B	5	526.2751	526.276336	0.001236	2.348581569
B5	B	5	526.2751	526.276336	0.001236	2.348581569
A5	A	5	498.280185	498.281441	0.001256	2.520670173
A5	A	5	498.280185	498.281441	0.001256	2.520670173
A+13	A+	13	4658.22457	4658.196798	-0.027772032	-5.961934993
C13	C	13	4702.23796	4702.213306	-0.024654	-5.243035383
A+14	A+	14	4821.2879	4821.268446	-0.019454032	-4.035028083
B14	B	14	4848.27499	4848.257973	-0.017017	-3.509908171
A+15	A+	15	4949.34648	4949.332575	-0.013905032	-2.809468306
B16	B	16	5089.41763	5089.401616	-0.016014	-3.146528968
A+16	A+	16	5062.43054	5062.416307	-0.014233032	-2.8115017
B17	B	17	5218.46022	5218.444772	-0.015448	-2.960260182
A17	A	17	5190.465305	5190.45358	-0.011725	-2.258949692
B18	B	18	5332.50315	5332.486102	-0.017048	-3.196997643
A+18	A+	18	5305.51606	5305.502994	-0.013066032	-2.462725948
B19	B	19	5495.56648	5495.548935	-0.017545	-3.192573516
A+19	A+	19	5468.57939	5468.570845	-0.008545032	-1.562568898
B20	B	20	5597.567845	5597.552046	-0.015799	-2.822475839
A20	A	20	5569.57293	5569.566656	-0.006274	-1.126477753
Y-4	Y-	4	510.153295	510.154419	0.001124032	2.20332218
X+5	X+	5	667.1908	667.192545	0.001744968	2.615395671
X+7	X+	7	908.33344	908.335818	0.002377968	2.617946037
Y-8	Y-	8	1043.401855	1043.404293	0.002438032	2.336618493
Z15	Z	15	5085.32611	5085.321797	-0.004313	-0.848126533
Y16	Y	16	5203.34624	5203.329286	-0.016954	-3.258287882
Z16	Z	16	5187.327475	5187.311132	-0.016343	-3.150562612
X+16	X+	16	5230.33333	5230.31779	-0.015540032	-2.971136081
Y17	Y	17	5331.40482	5331.388167	-0.016653	-3.12356697
X+17	X+	17	5358.39191	5358.385944	-0.005966032	-1.113399723
Y18	Y	18	5460.44741	5460.425029	-0.022381	-4.098748384
Z18	Z	18	5444.428645	5444.418144	-0.010501	-1.928760699
Y19	Y	19	5559.51582	5559.499193	-0.016627	-2.990728067
X+19	X+	19	5586.50291	5586.499256	-0.003654032	-0.654082192