110996-51-5 1H-Pyrido(2,1-b)quinazoline-8-carboxamide, N-(1-methyl-4-(3-pyridinyl)butyl)-1-oxo- N-(1-Methyl-4-(3-pyridinyl)butyl)(1-oxo)-1H-pyrido(2,1-8)quinazoline-8-carboxamide Ro 23-3423 Ro-23-3423