Chemical Name: 1-Cyclopropyl-7-[(3R,5S)-3,5-dimethylpiperazin-1-yl]-6,8-difluoro-5-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Synonym: N-Nitroso-4-hydroxy pyrrolidone
Smile: O=C(C1=CN(C2CC2)C3=C(C(O)=C(F)C(N4C[C@@H](C)N[C@@H](C)C4)=C3F)C1=O)O