4-(4-amino-3-hydroxymethylphenyl)-1-(3,4-dimethoxybenzoyl)piperazine
trifluoroacetyl chloride
1-(3-Formyl-4-nitrophenyl)piperazine hydrochloride
1-(3,4-dimethoxybenzoyl)-4-(3-formyl-4-nitrophenyl)piperazine
2-nitro-5-chlorobenzaldehyde dimethyl acetal