(1-氯-2-甲酰基乙烯基)二茂铁

methyl 1-(3-ethoxypropyl)-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxylate

2-cyano-1,1-dithio-malonamic acid ethyl ester