O,1,,, C,2,177.04,s, C,3,103.3,s, C,4,145.66,s, N,5,,, C,6,57.53,s, C,7,174.5,s, O,8,,, O,9,,, C,10,133.7,s, C,11,132.07,s, C,12,107.76,s, C,13,151.97,s, O,14,,, H,15,6.44,s, H,16,,, H,17,4.28,d,3.5 H,18,,, H,19,5.73,d,3.5 H,20,6.72,s, H,21,,,