上游原料
2,5-piperazinedione；2,5-diketopiperazine;cycloglycylglycine；2,5-dioxopiperazine;cyclodiglycine;cyclo(glycylglycyl)1,4-diacetyl-2,5-piperazinedione;N,N'-DIACETYLGLYCINE ANHYDRIDE;1,4-DIACETYL-PIPERAZINE-2,5-DIONE;1,4-DIACETYLTETRAHYDRO-2,5-PYRAZINEDIONE;1,4-DIACETYL-2,5-DIKETOPIPERAZINE;1,4-DIACETYL-2,5-DIOXOPIPERAZINE5-tert-butylimidazole-4-carbaldehyde;5-(1,1-dimethylethyl)-1H-Imidazole-4-carboxaldehyde;4-(1,1-dimethylethyl)-1H-Imidazole-5-carboxaldehyde(Z)-1-acetyl-3-((5-(tert-butyl)-1H-imidazol-4-yl)methylene)piperazine-2,5-dioneBenzaldehyde;Benzoic aldehyde;Phenylmethanal1-acetyl-3-[(Z)-benzylidene]-2,5-piperazinedioneethyl 4,4-dimethyl-3-oxopentanoate;Ethyl pivaloylacetateethyl 2-chloro-4,4-dimethyl-3-oxopentanoateFormamideethyl 5-(tert-butyl)-1H-imidazole-4-carboxylate(5-(tert-butyl)-1H-imidazol-4-yl)methanol5-tert-butylimidazole-4-carbaldehyde;5-(1,1-dimethylethyl)-1H-Imidazole-4-carboxaldehyde;4-(1,1-dimethylethyl)-1H-Imidazole-5-carboxaldehyde
