number	atom	shift
1	C	141.977
2	C	114.066
3	C	152.636
4	C	160.812
5	C	153.032
6	N	154.245
7	N	123.360
8	N	161.331
9	N	262.344
12	H	8.508
13	H	9.425
14	H	7.201
15	H	7.117