Table 3.

Positive electrospray high-resolution MS and MS/MS data

			[M+H]+
No.	R	R’	Formula	Theor.	Found	Δ (ppm)	Formula	Theor.	Found	Δ (ppm)	Found	Δ (ppm)
1	H	H	C16H21N2+	241.16993	241.16978	−0.58	C10H10N+	144.08078	144.08072	−0.39	110.09638	−0.40
2	H	Ph	C22H25N2+	317.20123	–	–	C16H14N+	220.11208	220.11179	−1.32	110.09634	−0.81
3	4-AcO	H	C18H23N2O2+	299.17540	229.17523	−0.58	C12H12NO2+	202.08626	202.08627	0.09	110.09646	0.29
4	4-OH	H	C16H21N2O+	257.16484	257.16479	−0.17	C10H10NO+	160.07569	160.07588	1.20	110.09648	0.50
5	4,5-ED a	H	C18H23N2O2+	299.17540	299.17459	−2.72	C12H12NO2+	202.08626	202.08606	−0.97	110.09640	−0.26
6	5-CH3	H	C17H23N2+	255.18558	255.18533	−0.95	C11H12N2+	158.09643	158.09634	−0.52	110.09637	−0.54
7	5-OCH3	H	C17H23N2O+	271.18049	271.17999	−1.83	C11H12NO+	174.09134	174.09113	−1.24	110.09633	−0.88
8	5-OCH3	CH3	C18H25N2O+	285.19614	285.19565	−1.72	C12H14NO+	188.10699	188.10666	−1.76	110.09628	−1.30
9	5-OC2H5	H	C18H25N2O+	285.19614	285.19574	−1.40	C12H14NO+	188.10699	188.10678	−1.11	110.09631	−1.09
10	5-F	H	C16H20FN2+	259.16050	259.16010	−1.57	C10H9FN+	162.07135	162.07117	−1.15	110.09633	−0.88
11	5-F	CH3	C17H22FN2+	273.17615	273.17578	−1.36	C11H11FN+	176.08700	176.08679	−1.20	110.09633	−0.88
12	5-Cl	H	C16H2035ClN2+ C16H2037ClN2+	275.13095 277.12800	275.13092/277.12759	−0.12 −1.48	C10H935ClN+	178.04180 --	178.04187 --	0.44 --	110.09645	0.23
13	5-Br	H	C16H2079BrN2+ C16H2081BrN2+	319.08044 321.07839	319.07999/321.07779	−1.41 −1.87	C10H979BrN+ --	221.99129 --	221.99121 --	−0.35 --	110.09642	−0.05
14	5,6-MD b	H	C17H21N2O2+	285.15975	285.15918	−2.02	C11H10NO2+	188.07061	188.07062	−0.07	110.09638	−0.40
15	6-F	H	C16H20FN2+	259.16050	259.16013	−1.46	C10H9FN+	162.07135	162.07117	−1.26	110.09628	−1.30
16	7- CH3	H	C17H23N2+	255.18558	255.18524	−1.31	C11H12N+	158.09643	158.09621	−1.38	110.09631	−1.09
17	7- C2H5	H	C18H25N2+	269.20123	269.20068	−2.01	C12H14N+	172.11208	172.11194	−0.80	110.09637	−0.47

^a4,5-(OCH₂CH₂O): 4,5-ethylenedioxy

^b5,6-(OCH₂O): 5,6-methylenedioxy.