ethyl 6-acetyl-3-cyano-7-[(N-methylanilino)methyl]-1H-pyrazolo[1,5-a]pyrimidine-7-carboxylate

ethyl E-β-N-methyl-anilino-3-cyano-7-methyl-6-pyrazolo[1,5-a]pyrimidineacrylate

ethyl Z-β-N-methylanilino-3-cyano-7-methyl-6-pyrazolo[1,5-a]pyrimidineacrylate

3-hydroxy-2-[(N-methylanilino)methyl]thiochromen-4-one

ethyl (ethoxycarbonyltrisulfanyl)formate