number	atom	shift
2	N	74.927
3	N	144.480
4	N	290.533
5	C	150.979
6	C	153.250
7	C	164.175
8	C	84.214
9	H	3.845
10	H	3.994
11	H	6.629
12	H	9.624
13	H	6.391