Mrv1611106091714072D 0 0 0 0 0 999 V3000 M V30 BEGIN CTAB M V30 COUNTS 9 7 0 0 0 M V30 BEGIN ATOM M V30 1 C 1.3298 -1.5142 0 0 M V30 2 C 2.6499 -2.2908 0 0 M V30 3 C 3.9797 -1.5142 0 0 M V30 4 C 5.3096 -2.2908 0 0 M V30 5 O 1.3298 0 0 0 M V30 6 O 0 -2.2908 0 0 CHG=-1 M V30 7 O 5.3096 -3.8147 0 0 M V30 8 O 6.6297 -1.5142 0 0 CHG=-1 M V30 9 Ca 9.7067 -1.9025 0 0 CHG=2 M V30 END ATOM M V30 BEGIN BOND M V30 1 1 1 2 M V30 2 1 1 6 M V30 3 2 1 5 M V30 4 1 2 3 M V30 5 1 3 4 M V30 6 1 4 8 M V30 7 2 4 7 M V30 END BOND M V30 END CTAB M END