C,1,18.52,s, C,2,35.16,s, C,3,35.12,s, C,4,64.72,s, O,5,,, C,6,130.07,s, C,7,146.87,s, C,8,185.79,s, O,9,,, C,10,129.35,s, C,11,133.32,s, C,12,69.64,s, O,13,,, C,14,50.85,s, H,15,0.92,d,6.5 H,16,0.92,d,6.5 H,17,0.92,d,6.5 H,18,1.68,m, H,19,1.88,td,"12.4,9.7" H,20,1.88,ddd,"12.4,2.8,1.8" H,21,4.05,ddd,"12.4,4.3,2.8" H,22,,, H,23,5.77,d,4.3 H,24,6.72,d,12.0 H,25,6.14,dd,"12.0,4.2" H,26,4.34,dd,"8.7,4.2" H,27,,, H,28,2.15,dd,"11.7,8.7"