[(4R,5R)-5-[bis(3,5-dimethylphenyl)-hydroxymethyl]-2,2-diethyl-1,3-dioxolan-4-yl]-bis(3,5-dimethylphenyl)methanol

ethene

carbon monoxide

3,5-二甲基-4-庚酮

2-氨基-2-乙基丁酸