C,1,21.29,s,
C,2,170.3,s,
O,3,,,
N,4,,,
O,5,,,
C,6,53.8,s,
C,7,27.63,s,
C,8,39.74,s,
N,9,,,
H,10,2.27,s,
H,11,2.27,s,
H,12,2.27,s,
H,13,,,
H,14,3.57,t,6.7
H,15,3.57,t,6.7
H,16,1.74,tt,"6.7,6.5"
H,17,1.74,tt,"6.7,6.5"
H,18,2.87,t,6.5
H,19,2.87,t,6.5
H,20,,,
H,21,,,
