157544-53-1

2-Pentenedioic acid,3-methyl-,5-[(7S)-5-chloro-3-[(1E,3E,5S)-3,5-dimethyl-1,3-heptadien-1-yl]-7,8-dihydro-7-methyl-6,8-dioxo-6H-2-benzopyran-7-yl]ester, (2E)-