none RDKit 3D 5 4 0 0 0 0 0 0 0 0999 V2000 1.2287 1.2867 0.2961 C 0 0 0 0 0 0 0 0 0 0 0 0 2.1169 0.6642 0.4793 H 0 0 0 0 0 0 0 0 0 0 0 0 0.5110 0.5007 0.0183 H 0 0 0 0 0 0 0 0 0 0 0 0 1.3457 1.9966 -0.5360 H 0 0 0 0 0 0 0 0 0 0 0 0 0.9339 1.8387 1.2008 H 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 3 1 0 1 4 1 0 1 5 1 0 M END