number	atom	shift
1	C	182.446
2	C	176.998
4	C	53.182
6	C	29.851
7	C	31.838
9	N	32.936
11	H	4.098
12	H	3.102
13	H	3.024
14	H	2.976
15	H	4.859
16	H	6.456
17	H	1.313
18	H	1.691
19	H	6.275