HMB
  -OEChem-04262420153D

 19 18  0     1  0  0  0  0  0999 V2000
   -4.2460   45.6310   -2.4020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.2960   46.0500   -0.8830 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.1200   45.5920    0.0390 C   0  0  3  0  0  0  0  0  0  0  0  0
   -1.3320   44.1260    0.6550 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.2250   44.4780   -2.6390 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9470   46.1420    1.1360 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3690   44.6250   -0.2120 O   0  0  0  0  0  0  0  0  0  0  0  0
   -5.4960   44.0720   -3.9320 O   0  0  0  0  0  0  0  0  0  0  0  0
   -4.5280   46.4890   -3.0300 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2270   45.3080   -2.6620 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.3100   47.1500   -0.8570 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.2160   45.6160   -0.4640 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9910   45.9890   -0.9790 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8340   43.2700    0.1770 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5950   44.9220    0.8410 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.7750   43.8060    1.6100 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.8540   43.8270   -1.5320 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1980   45.7530    1.5710 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.4270   43.1400   -1.8520 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  5  1  0  0  0  0
  1  9  1  0  0  0  0
  1 10  1  0  0  0  0
  2  3  1  0  0  0  0
  2 11  1  0  0  0  0
  2 12  1  0  0  0  0
  3  6  1  0  0  0  0
  3  7  1  0  0  0  0
  3 13  1  0  0  0  0
  4  7  1  0  0  0  0
  4 14  1  0  0  0  0
  4 15  1  0  0  0  0
  4 16  1  0  0  0  0
  5  8  2  0  0  0  0
  5 17  1  0  0  0  0
  6 18  1  0  0  0  0
 17 19  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
COC(CCC(=O)O)O

> <OPENEYE_INCHI>
InChI=1S/C5H10O4/c1-9-5(8)3-2-4(6)7/h5,8H,2-3H2,1H3,(H,6,7)/t5-/m0/s1

> <OPENEYE_INCHIKEY>
ONECVBBAMLSRPV-YFKPBYRVSA-N

> <FORMULA>
C5H10O4

$$$$