53837-81-3

(3S)-3α-Formyl-2,3,4,7,8,8aβ-hexahydro-4β-[[(9R,10R)-9,10,16-trihydroxy-1-oxohexadecyl]oxy]-8,8-dimethyl-1H-3aα,7α-methanoazulene-6-carboxylic acid