19 C 3.41162 4.60725 3.40948 C 4.12347 3.80938 2.35071 O 4.27367 4.22553 1.20757 N 4.59651 2.59208 2.77487 C 5.21201 1.65863 1.84280 H 4.53410 1.50583 0.99422 C 6.59250 2.11020 1.37029 C 7.26545 0.90205 0.74535 S 6.90728 -0.45664 1.89196 C 5.45356 0.31522 2.51475 O 4.74284 -0.18392 3.37586 H 3.92857 5.56144 3.54341 H 3.39447 4.08496 4.37004 H 2.38145 4.78571 3.09002 H 4.24164 2.20558 3.64529 H 7.18948 2.48277 2.21443 H 6.52510 2.93067 0.64774 H 6.83258 0.67095 -0.23283 H 8.34307 1.04722 0.63344