number	atom	shift
1	P	-0.856
4	C	74.149
7	C	74.944
10	C	68.226
11	H	5.009
12	H	4.756
13	H	3.683
14	H	3.493
15	H	5.314
16	H	2.094
17	H	0.043
18	H	4.507
19	H	4.739