C,1,57.5,s, O,2,,, C,3,146.34,s, C,4,111.82,s, C,5,131.13,s, C,6,129.66,s, C,7,169.69,s, O,8,,, O,9,,, C,10,194.74,s, O,11,,, C,12,157.99,s, N,13,,, N,14,,, H,15,,, H,16,,, H,17,,, H,18,,, H,19,,, H,20,,,