Mrv1533009301520532D 0 0 0 0 0 999 V3000 M V30 BEGIN CTAB M V30 COUNTS 8 5 0 0 0 M V30 BEGIN ATOM M V30 1 Mg 7.0817 -0.7701 0 0 CHG=2 M V30 2 O 5.7479 0 0 0 CHG=-1 M V30 3 C 9.7492 0.7701 0 0 M V30 4 C 11.0832 0 0 0 M V30 5 C 8.4156 0 0 0 CHG=-1 M V30 6 C 12.4171 0.7701 0 0 M V30 7 C 4.4141 -0.7701 0 0 M V30 8 C 3.0802 0 0 0 M V30 END ATOM M V30 BEGIN BOND M V30 1 1 2 7 M V30 2 1 3 4 M V30 3 1 3 5 M V30 4 1 4 6 M V30 5 1 7 8 M V30 END BOND M V30 END CTAB M END