Hydrochloric Acid → 1-(3-Nitro-2-pyridinyl)-4-carbobenzoxypiperazine-2-carboxylic acid

Reaction equation

Cl.[C:2]([N:12]1[CH2:17][CH2:16][NH:15][CH:14]([C:18]([OH:20])=[O:19])[CH2:13]1)([O:4][CH2:5][C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1)=[O:3].Cl[C:22]1[C:27]([N+:28]([O-:30])=[O:29])=[CH:26][CH:25]=[CH:24][N:23]=1.C(N(CC)CC)C.Cl>O.CS(C)=O>[N+:28]([C:27]1[C:22]([N:15]2[CH2:16][CH2:17][N:12]([C:2]([O:4][CH2:5][C:6]3[CH:7]=[CH:8][CH:9]=[CH:10][CH:11]=3)=[O:3])[CH2:13][CH:14]2[C:18]([OH:20])=[O:19])=[N:23][CH:24]=[CH:25][CH:26]=1)([O-:30])=[O:29]