1-N,2-N-bis(pyridin-2-ylmethyl)propane-1,2-diamine

三苯基氧化膦

3-(吡啶-2-基)丙烯酸乙酯

E-3,4-dimethyl-5-(2-pyridylmethylidene)-3-pyrrolin-2-one

[(hydroxy)(2-pyridyl)methyl]phosphinic acid