264624-28-4

Methyl 5 3-b]pyrazine-7-carboxylate hydrochloride Methyl 5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate Methyl 5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate HCl 5,6,7,8-Tetrahydro-pyrido[3,4-b]pyrazine-7-carboxylic acid Methyl ester methyl 5,6,7,8-tetrahydropyrido[4,3-b]pyrazine-7-carboxylate hydrochloride Methyl 5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate hydrochloride