number	atom	shift
1	C	134.451
2	C	143.808
3	C	120.382
4	C	122.165
5	C	154.830
6	C	121.327
7	C	132.660
8	C	168.894
9	C	179.186
13	H	9.122
14	H	8.587
15	H	7.541
16	H	8.197
17	H	9.093
18	H	7.680
19	H	4.846
20	H	6.218