28 C -1.33230 -2.04440 0.36540 C -1.42660 -0.53420 0.13850 C -2.07950 0.12440 1.35540 C -0.02260 0.04030 -0.06040 C -0.12390 1.49790 -0.42910 C -1.35940 2.06080 -0.68950 C -1.45280 3.39910 -1.02300 C -0.30970 4.17200 -1.10600 C 0.92620 3.60780 -0.85130 C 1.01910 2.27080 -0.51260 C 0.67530 -0.71010 -1.16530 O 1.70550 -1.29920 -0.93840 O 0.15250 -0.72390 -2.40150 C 0.76370 -0.10110 1.21750 O 1.78590 -0.74520 1.22960 O 0.32840 0.48840 2.34210 H -0.86290 -2.51800 -0.50950 H -2.34170 -2.45740 0.50840 H -0.72450 -2.24350 1.26030 H -2.03440 -0.33500 -0.75650 H -2.14730 1.21010 1.19240 H -1.47160 -0.07470 2.25030 H -3.08890 -0.28870 1.49840 H -2.25200 1.45590 -0.62860 H -2.41840 3.83980 -1.22230 H -0.38240 5.21670 -1.37030 H 1.81930 4.21170 -0.91650 H 1.98480 1.83000 -0.31360