Mrv1533004251517542D 4 2 0 0 0 0 999 V2000 1.6500 -0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2.0625 -0.7145 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 0.8250 0.0000 0.0000 O 0 5 0 0 0 0 0 0 0 0 0 0 0.0000 0.0000 0.0000 K 0 3 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 0 1 3 1 0 0 0 0 M CHG 2 3 -1 4 1 M END