C,1,55.4,s,
O,2,,,
C,3,161.6,s,
C,4,94.5,s,
C,5,157.4,s,
O,6,,,
C,7,94.5,s,
C,8,161.6,s,
O,9,,,
C,10,55.4,s,
C,11,93.4,s,
H,12,3.83,s,
H,13,3.83,s,
H,14,3.83,s,
H,15,6.33,d,1.9
H,16,,,
H,17,6.33,d,1.9
H,18,3.83,s,
H,19,3.83,s,
H,20,3.83,s,
H,21,6.11,t,1.9
