C,1,18.87,s, C,2,69.02,s, O,3,,, C,4,78.15,s, O,5,,, C,6,168.48,s, O,7,,, C,8,107.8,s, C,9,158.35,s, O,10,,, C,11,113.65,s, C,12,132.1,s, C,13,123.97,s, C,14,142.71,s, H,15,1.17,d,6.1 H,16,1.17,d,6.1 H,17,1.17,d,6.1 H,18,3.66,qd,"6.1,4.8" H,19,,, H,20,5.76,d,4.8 H,21,,, H,22,6.96,dd,"6.8,1.4" H,23,7.3,dd,"7.4,6.8" H,24,7.4,dd,"7.4,1.4"