C,1,23.55,s, C,2,88.1,s, C,3,23.55,s, O,4,,, C,5,175.3,s, O,6,,, C,7,38.3,s, C,8,73.6,s, O,9,,, H,10,1.35,s, H,11,1.35,s, H,12,1.35,s, H,13,1.35,s, H,14,1.35,s, H,15,1.35,s, H,16,2.74,dd,"18.4,9.1" H,17,2.74,dd,"18.4,8.4" H,18,4.08,dd,"9.1,8.4" H,19,,,