上游原料
Nicotinaldehyde; 3-Pyridinecarboxaldehyde1-(3-bromopropyl)benzeneN-ethoxycarbonylpiperidine; Ethyl 1-piperazinecarboxylate; N-Ethoxycarbonyl piperazine; N-Carbethoxy piperazine(2S)-2-amino-2-(methylsulfanyl)ethanoic acid(4R)-2-(3-pyridinyl)-1,3-thiazolidine-4-carboxylic acidethyl 4-(3-phenylpropyl)-1-piperazinecarboxylate1-(3-phenylpropyl)piperazine
