3H-Imidazo[1,2-a]pyrrolo[2,3-e]pyrazine-7-carboxylic acid, 3-[(4-methylphenyl)sulfonyl]-, ethyl ester

Ethyl 3-(4-methylbenzene-1-sulfonyl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine-7-carboxylate