Ethyl acetoacetate 4-nitrophenylhydrazone and 1-(4-nitrophenyl)-3-methylpyrazolone-5.
W C
WC
SUMPTER
P H
PH
WILKEN
D000090:Acetoacetates; D009596:Nitrophenols
D000090:Acetoacetates; D009596:Nitrophenols; C024719:4-nitrophenyl; C024840:ethyl acetoacetate