3,3-二甲基丙烯酸甲酯

methyl 4-bromo-3-methylbut-2-enoate

乙烯-beta-离子醇

all-trans-β-ionylidenecrotonic acid

(6R,7R)-3-((((2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoyl)oxy)methyl)-8-oxo-7-(2-phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide