2H-吡喃-2-酮

1-methoxy-N,N-dimethylethenamine

5a-acetyl-6a-ethoxycarbonyl-5a,6a-dihydro-5-methyl-6H-cyclopropa[e]pyrazolo-[1,5-a]pyrimidine-3-carbonitrile

1,1,1-三丁基-N,N-二甲基锡烷胺

methyldiphenylsulfonium trifluoromethanesulfonate