上游原料
1-Methylpiperazine; 1-Methyl piperazine; N-Methylpiperazine1-chloro-2-nitrobenzene2-hydroxy-5-methoxybenzaldehyde5-methoxy-2-(2-nitrophenoxy)benzaldehyde5-methoxy-2-(2-nitrophenoxy)benzoic acid2-(2-aminophenoxy)-5-methoxybenzoic acid2-methoxydibenzo[b,f][1,4]oxazepin-11(10H)-one2-hydroxydibenzo[b,f][1,4]oxazepin-11(10H)-one11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl trifluoromethanesulfonate11-chlorodibenzo[b,f][1,4]oxazepin-2-yl trifluoromethanesulfonate
