C,1,18.87,s,
C,2,69.02,s,
O,3,,,
C,4,74.9,s,
O,5,,,
C,6,72.6,s,
O,7,,,
C,8,64.04,s,
O,9,,,
H,10,1.17,d,6.1
H,11,1.17,d,6.1
H,12,1.17,d,6.1
H,13,3.66,qd,"6.1,4.6"
H,14,,,
H,15,3.9,dd,"4.7,4.6"
H,16,,,
H,17,3.62,td,"5.4,4.7"
H,18,,,
H,19,3.59,d,5.4
H,20,3.59,d,5.4
H,21,,,
