The molecule is a member of the class of thromboxanes that is carbocyclic thromboxane A2 carrying an additional hydroxy substituent at position 18. It is a bridged compound, a cyclic ether, a diol, a hydroxy monocarboxylic acid, a secondary allylic alcohol and a thromboxane. It derives from a carbocyclic thromboxane A2. It is a conjugate acid of a 18-hydroxycarbocyclic thromboxane A2(1-).
(Z)-7-[(3R,4S)-3-[(E,3S)-3,6-dihydroxyoct-1-enyl]-2-oxabicyclo[3.1.1]heptan-4-yl]hept-5-enoic acid