Mrv1805 04232111502D 0 0 0 0 0 999 V3000 M V30 BEGIN CTAB M V30 COUNTS 6 5 0 0 0 M V30 BEGIN ATOM M V30 1 C 1.3527 0 0 0 M V30 2 C 2.6895 -0.7647 0 0 M V30 3 C 4.0262 0 0 0 M V30 4 C 5.3469 -0.7647 0 0 M V30 5 O 0 -0.7647 0 0 M V30 6 C 2.6895 -2.3045 0 0 M V30 END ATOM M V30 BEGIN BOND M V30 1 1 1 2 M V30 2 1 1 5 M V30 3 1 2 3 M V30 4 1 2 6 M V30 5 1 3 4 M V30 END BOND M V30 END CTAB M END