Mrv1805 12072316502D 0 0 0 0 0 999 V3000 M V30 BEGIN CTAB M V30 COUNTS 5 4 0 0 0 M V30 BEGIN ATOM M V30 1 N 1.54 -1.54 0 0 CHG=1 M V30 2 C 1.54 -3.08 0 0 M V30 3 C 0 -1.54 0 0 M V30 4 C 1.54 0 0 0 M V30 5 C 3.08 -1.54 0 0 M V30 END ATOM M V30 BEGIN BOND M V30 1 1 1 2 M V30 2 1 1 3 M V30 3 1 1 4 M V30 4 1 1 5 M V30 END BOND M V30 END CTAB M END