3813571 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3813571 > 2 > ChemIDplus > 135696503 > (5-Amino-3-butyl-1,2-dihydro-2-methylpyrido(3,4-b)pyrazin-7-yl)carbamic acid ethyl ester 135696-50-3 > 135696-50-3 > 135696503 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=135696503 $$$$