dimethyl (10-(benzyloxy)-3,3a,8,8a-tetrahydro-3,8-ethenoindeno[2,1-c]pyrazol-8a-yl)phosphonate

dimethyl (10-isopropoxy-3,3a,8,8a-tetrahydro-3,8-ethenoindeno[2,1-c]pyrazol-8a-yl)phosphonate

but-3-yn-2-ylbenzene

1-butyl-3-methylcyclopentene

2-diazonio-2-dimethoxyphosphoryl-1-phenylethenolate