(7E,9E)-beta-离子亚基乙醛

4-甲基-5-羟基呋喃-2-酮

methyl (Z)-3-methyl-4-oxo-2-butenoate

(2Z,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,8-dien-5-yne-1,4,7-triol

methyl 9-(2',6',6'-trimethyl-1'-cyclohexen-1'-yl)-4,7-dihydroxy-3,7-dimethyl-(2Z,8E)-nona-2,8-dien-5-ynoate