O,1,,, C,2,73.64,s, C,3,83.7,s, Cl,4,,, Cl,5,,, C,6,132.04,s, C,7,118.81,s, Cl,8,,, Cl,9,,, C,10,77.48,s, O,11,,, C,12,79.5,s, Cl,13,,, Cl,14,,, C,15,83.7,s, Cl,16,,, Cl,17,,, H,18,,, H,19,,, H,20,,, H,21,,,