number	atom	shift
1	C	87.288
2	C	71.863
4	C	72.361
5	C	67.131
7	C	191.080
8	C	67.782
13	H	5.329
14	H	5.505
15	H	5.188
16	H	4.859
17	H	3.895
18	H	4.673
19	H	4.802
20	H	3.100
21	H	1.219
22	H	0.581