Mrv1718012291717032D 2 1 0 0 0 0 999 V2000 -0.5720 0.1674 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.2530 0.1674 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 0 0 0 0 M END