@<TRIPOS>MOLECULE
SO4_290_1M73
    5     4     0     0     0
SMALL
NO_CHARGES

@<TRIPOS>ATOM
      1 O1         50.4640   42.1000   31.9430 O.3       1 SO4290      0.0000
      2 O2         50.6250   43.1740   34.1020 O.3       1 SO4290      0.0000
      3 O3         52.1410   43.8850   32.3230 O.2       1 SO4290      0.0000
      4 O4         49.8070   44.4510   32.1250 O.2       1 SO4290      0.0000
      5 S1         50.7860   43.4370   32.6060 S.o2      1 SO4290      0.0000
@<TRIPOS>BOND
     1    1    5 1
     2    2    5 1
     3    3    5 2
     4    4    5 2