propene,butene

mesoporous silica with 3d mesoporous structure for propene
2-溴丙烯 2-bromo-1-propene
labeled as follows: 01 ╟ ethene; 02 ╟ ethane; 03 ╟ propene
of the metathesis reaction of ethylene and 1-butene to propene
on zrsi30 propene is formed