atom_id	symbol	chemical_shift	mult	coupling
1	O			
2	C	172.43	s	
3	C	31.55	s	
4	C	21.88	s	
5	C	21.65	s	
6	C	42.08	s	
7	N			
8	H	0.03	ddd	15.4,13.6,2.6
9	H	0.03	ddd	15.4,3.7,3.5
10	H	0.02	m	
11	H	0.02	m	
12	H	0.02	m	
13	H	0.02	m	
14	H	0.03	ddd	13.1,12.4,4.9
15	H	0.03	ddd	12.4,5.7,1.5
16	H			
