O,1,,,
C,2,172.96,s,
O,3,,,
C,4,172.96,s,
O,5,,,
C,6,50.87,s,
C,7,77.06,s,
C,8,28.23,s,
C,9,28.23,s,
C,10,77.06,s,
O,11,,,
C,12,50.87,s,
H,13,3.31,dd,"8.7,0.7"
H,14,4.88,ddd,"4.3,0.7,0.3"
H,15,1.8,m,
H,16,1.8,m,
H,17,1.8,m,
H,18,1.8,m,
H,19,4.88,dd,"7.6,1.7"
H,20,3.31,d,8.7
