(5-AMINO-1,2-DIHYDRO-3-PHENYLPYRIDO[3,4-B]PYRAZIN-7-YL)CARBAMIC ACID, ETHYL ESTER 82585-91-9 Carbamic acid, (5-amino-1,2-dihydro-3-phenylpyrido[3,4-b]pyrazin-7-yl)-, ethyl ester NSC330770