50 C 7.46754 0.30510 -1.77542 C 6.49248 -0.43793 -0.88318 O 6.10653 0.43104 0.17873 C 5.16762 -0.17923 1.06265 H 4.29153 -0.47210 0.46790 O 5.73242 -1.32214 1.69941 C 4.72437 -2.03453 2.40555 H 3.89732 -2.23121 1.70694 O 5.21941 -3.30746 2.78478 C 4.32530 -3.90173 3.72888 C 4.16901 -5.36145 3.29816 C 4.98266 -3.84572 5.10782 C 5.03844 -2.46792 5.76819 C 5.22916 -1.23546 4.83930 H 6.24977 -1.28521 4.43658 C 5.15184 0.08794 5.67516 H 5.80050 0.81942 5.18954 C 5.70067 -0.00189 7.10394 C 3.73797 0.66731 5.68517 C 3.27058 1.06824 4.28823 C 3.76020 0.15172 3.15220 H 2.85340 -0.03015 2.55080 C 4.73594 0.83783 2.14177 H 4.18041 1.64008 1.63560 C 5.96710 1.51869 2.75186 C 4.21312 -1.25147 3.63877 O 3.03023 -1.92389 4.15308 O 3.00691 -3.32738 3.69206 H 7.79341 -0.32579 -2.60660 H 8.34720 0.62078 -1.20492 H 7.00645 1.21267 -2.17908 H 6.97638 -1.33465 -0.48247 H 5.60999 -0.73259 -1.46145 H 5.13480 -5.87702 3.26484 H 3.73894 -5.41728 2.29099 H 3.49334 -5.90505 3.96722 H 6.01284 -4.21695 5.02334 H 4.45843 -4.51659 5.80022 H 4.11611 -2.33801 6.35090 H 5.84944 -2.50628 6.50553 H 5.06574 -0.61411 7.75200 H 5.75357 0.99602 7.55409 H 6.71498 -0.41391 7.10780 H 3.04030 -0.06380 6.11266 H 3.68597 1.54913 6.33581 H 2.17216 1.07185 4.29624 H 3.55011 2.10928 4.09047 H 6.66889 0.79263 3.17159 H 5.69326 2.24419 3.52203 H 6.51328 2.08586 1.98923