148073-35-2 2-Propenoic acid, 2-methyl-, (1aR,4Z,7S,7aR,10aS,10bR)-1a,2,3,6,7,7a,8,9,10a,10b-decahydro-5-(hydroxymethyl)-1a-methyl-8-methylene-9-oxooxireno(9,10)cyclodeca(1,2-b)furan-7-yl ester