(S)-1,2-O-isopropylidene-but-3-ene-1,2-diol

脱氧茴香偶姻

2-羟基-2-(4-甲氧基苯基)乙腈

1-methoxy-4-[1-(4-methoxyphenyl)-2-nitroethenyl]benzene

1-(diazomethyl)-4-methoxybenzene