Mrv1533009301518272D 0 0 0 0 0 999 V3000 M V30 BEGIN CTAB M V30 COUNTS 7 6 0 0 1 M V30 BEGIN ATOM M V30 1 O 3.9069 0.3851 0 0 M V30 2 C 6.5744 0.3851 0 0 M V30 3 C 7.9081 1.1551 0 0 M V30 4 C 5.2407 1.1551 0 0 M V30 5 C 6.5744 -1.1551 0 0 M V30 6 C 9.2417 0.3851 0 0 M V30 7 C 10.5756 1.1551 0 0 M V30 END ATOM M V30 BEGIN BOND M V30 1 1 1 4 M V30 2 1 2 3 M V30 3 1 2 4 M V30 4 1 2 5 M V30 5 1 3 6 M V30 6 2 6 7 M V30 END BOND M V30 END CTAB M END