Synonyms: NSC109850;AC1L9GYK;NSC-109850;Ehtyl 8-[p-chloroanilino]-2,3-diphenylpyido[2,3-b]pyrazine-6-carbamate;Ethyl 8-(4-chloroanilino)-2,3-diphenylpyrido[2,3-b]pyrazin-6-ylcarbamate;ethyl N-[8-(4-chloroanilino)-2,3-diphenylpyrido[2,3-b]pyrazin-6-yl]carbamate;21271-82-9;Carbamic acid, [8-[(4-chlorophenyl)amino]-2,3-diphenylpyrido[2,3-b]pyrazin-6-yl]-, ethyl ester