portentol

(1S,2S,3S,3′R,4R,4′R,5′S,6′R,8R)-4′-Hydroxy-1,3,3′,5′,6′,8-hexamethyltetrahydro-6H,7H-spiro[5-oxabicyclo[2.2.2]octane-2,2′-pyran]-6,7-dione

21795-25-5

portentol

Spiro[2-oxabicyclo[2.2.2]octane-5,2′-[2H]pyran]-3,8-dione, tetrahydro-4′-hydroxy-3′,4,5′,6,6′,7-hexamethyl-, (1R,3′R,4S,4′R,5S,5′S,6S,6′R,7R)-