2-溴苯乙酮

1-triethylgermyloxy-1-tert-butylethene

2-phenyl-4-propan-2-ylidene-1,3-oxazol-5-one

1-(1-tert-butyl-vinyl)-pyrrolidine

4-tert-butyl-2-phenyl-4H-1,3-oxazol-5-one