Amino derivatives of 1,2,3,4-tetrahydro-2-oxopyrido[2,3-b]-pyrazine carboxylic acid and esters and their acid addition salts which have the general formula ##STR1## are useful as anti-inflammatory agents and central nervous system depressants.
1,2,3,4-四氢-2-氧代
吡啶并[2,3-b]-
吡嗪羧酸及其酯和酸加成盐的
氨基衍
生物,其具有通式 ##STR1##,可作为抗炎药和中枢神经系统
抑制剂。