number	atom	shift
4	N	352.225
5	C	57.294
6	C	62.986
7	C	16.340
8	C	140.634
9	C	149.612
10	C	127.015
11	C	137.385
12	C	141.940
13	H	-0.208
14	H	0.381
15	H	4.796
16	H	6.642
17	H	5.591
18	H	6.259
19	H	6.370
20	H	3.369
21	H	3.374
22	H	3.905
23	H	10.387