(E)-3-((5S,7S,7aS)-3-(hydroxymethyl)-7-methyl-2,4,5,6,7,7a-hexahydro-1H-inden-5-yl)-2-methylacrylic acid
(e)-3-((5s,7s,7as)-3-(hydroxymethyl)-7-methyl-2,4,5,6,7,7a-hexahydro-1h-inden-5-yl)-2-methylacrylic acid