p. 1722 - 1725
(2011/05/03)p. 1511 - 1517
(2007/10/03)hydrazine hydrate
(E)-2-Benzoyl-3-[(Z)-1-methoxycarbonyl-2-(4-methyl-pyridin-2-ylamino)-vinylamino]-acrylic acid ethyl ester
(E)-2-Benzoyl-3-(8-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-ylamino)-acrylic acid ethyl ester