51 C 2.63776 2.04025 -0.67686 C 4.11284 1.83538 -0.31760 C 4.89332 3.13848 -0.53600 C 4.32957 1.32720 1.10711 C 3.80982 2.05194 2.19029 C 4.11912 1.69398 3.49734 C 4.99923 0.64248 3.74367 C 5.53842 -0.12000 2.69186 C 6.66169 -1.11478 2.97884 C 8.00640 -0.38228 3.02903 C 6.45616 -1.93832 4.25667 C 5.12087 0.18431 1.37760 O 5.53910 -0.54482 0.29524 C 5.04116 -1.89924 0.22359 H 4.88512 -2.32407 1.22230 O 6.05037 -2.64572 -0.45899 C 5.75901 -4.03337 -0.61015 H 5.70109 -4.49476 0.38571 C 6.93213 -4.67048 -1.35219 O 7.74995 -4.11509 -2.06852 O 7.01176 -6.00529 -1.16252 C 4.48709 -4.25693 -1.43170 H 4.64119 -4.01223 -2.48946 O 4.07852 -5.63357 -1.35741 C 3.33882 -3.41011 -0.87774 H 2.94266 -3.88688 0.02862 O 2.24275 -3.40049 -1.81229 C 3.72134 -1.95973 -0.57441 H 3.80986 -1.38591 -1.50479 O 2.59586 -1.41768 0.14347 H 2.06514 1.11466 -0.56209 H 2.54122 2.35789 -1.72080 H 2.16123 2.80493 -0.05599 H 4.50784 1.10461 -1.03333 H 5.95368 3.00730 -0.29792 H 4.50903 3.95211 0.09126 H 4.82035 3.46205 -1.57905 H 3.18818 2.92905 2.02592 H 3.72338 2.27547 4.32783 H 5.29081 0.45798 4.77469 H 6.73369 -1.84082 2.16581 H 8.03651 0.35576 3.83733 H 8.20069 0.14565 2.08774 H 8.82749 -1.09047 3.18784 H 6.54917 -1.32764 5.16270 H 7.21092 -2.72778 4.32608 H 5.47014 -2.41323 4.26524 H 7.82831 -6.25963 -1.64511 H 4.63048 -6.14602 -1.97480 H 1.56479 -2.82870 -1.40169 H 2.87383 -0.57654 0.54407