alliacol A

Alliacolide II

(1aR,2R,7aS)-2α,9,9-Trimethyl-4aβ-hydroxy-5-methylene-2,3,4,4a,5,6,9,9aα-octahydro-8H-oxireno[1,7a]indeno[3a,4-b]furan-6-one

(1aR,2R,7aS,9aR)-3,4,4a,5,9,9a-Hexahydro-4aβ-hydroxy-2,9,9-trimethyl-5-methylene-2H,8H-oxireno[1,7a]indeno[3a,4-b]furan-6-one