Synonyms:
(1s,5r)-2-oxabicyclo[3.3.0]oct-6-en-3-one, >=99% ; (1s,5r)-2-oxabicyclo[3.3.0]oct-6-en-3-one 99% ; (1s,5r)-2-oxabicyclo[3.3.0]oct-6-en-3-one ; (1s,5r)-(-)-2-oxabicyclo[3.3.0]oct-6-en-3-one ; (1s,5r)-(-)-cis-2-oxabicyclo[3.3.0]oct-6-en-3-one,97% ; (1β,5β)-2-oxabicyclo[3.3.0]octane-6-ene-3-one ; (1s,5r)-(-)-cis-2-oxabicyclo[3.3.0]oct-6-en-3-one ; (1s,5r)-2-oxabicyclo[3.3.0]octane-6-ene-3-one ; (3ar,6as)-3,3a,6,6a-tetrahydro-2h-1-oxapentalen-2-one ; (-)-cis-2-oxabicyclo[3.3.0]oct-6-en-3-one