1235967-22-2
(R)-3-(prop-1-en-2-yl)cyclopent-2-enyl acetate
→
1123095-60-2
(2aR,7aS,7bR)-5-methyl-3,4,6,7,7a,7b-hexahydro-2aH-indeno[1,7-bc]furan-2-one