(5-Amino-1,2-dihydro-3-tricyclo(3.3.1.1(3,7))dec-1-ylpyrido(3,4-b)pyrazin-7-yl)-, carbamic acid, ethyl ester 87607-22-5 Carbamic acid, (5-amino-1,2-dihydro-3-tricyclo(3.3.1(3.7))dec-1-ylpyrido(3,4-b)pyrazin-7-yl)-, ethyl ester Ethyl (5-amino-1,2-dihydro-3-tricyclo(3.3.1(3.7))dec-1-ylpyrido(3,4-b)pyrazin-7-yl)carbamate