Compound: Ethinyl estradiol
SMILES: CC34CCC1C(CCc2cc(O)ccc12)C3CCC4(O)C#C 
Molecular weight: 296.41
Number of H-bond donors: 2
Number of rings: 4
Number of rotatable bonds: 0
Polar surface area: 40.46
Minimum degree: 1
ESOL predicted log solubility (mol/L): -4.317
Measured log solubility (mol/L): -4.3