80434-77-1 BRN 5151945 Carbamic acid, (5-amino-1,2-dihydro-3-((methylphenylamino)methyl)pyrido(3,4-b)pyrazin-7-yl)-, ethyl ester Ethyl 5-amino-1,2-dihydro-3-((N-methylanilino)methyl)pyrido(3,4-b)pyrazin-7-yl carbamate NSC 181928 Pyrido(3,4-b)pyrazine-7-carbamic acid, 1,2-dihydro-5-amino-3-((N-methylanilino)methyl)-, ethyl ester