5.781
5.7815
5.782
5.7825
5.783
5.7835
5.784
x 10
5
−50
0
50
100
150
200
250
BDAC
Intensity (mV)
A: Methyl Cup Configuration
13
CH
3
+
12
CH
3
+
12
CH
3
+
+
13
CH
2
+
12
CH
4
+
+
13
CH
3
+
9.51
9.515
9.52
9.525
9.53
x 1
0
5
−0.5
0
0.5
1
1.5
2
2.5
x 10
4
BDAC
Intensity (mV)
B: Ethyl Cup Configuration
13
C
12
CH
4
12
C
2
H
4
12
C
2
H
4
+
13
C
12
CH
3
13
C
12
CH
3
12
CH
2
D
+