2-phenyl-1’H,5H-spiro[oxazole-4,2’-quinoxalin]-3’(4’H)-one

2,4-dimethyl-3-nitroso-1H-1,5-benzodiazepine

1,2-苯二胺

2-(羟亚氨基)乙酰乙酸乙酯

乙醇