... weight :421.4458Supplier name: xi’an lyphar biotech co.,ltdSynonyms:(S)-10-[(Dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-1H-pyrano[3 ... (4H,12H)-dione monohydrochloride; Nogitecan hydrochloride; Hycamtin; Topotecan HCl; (4S)-10-[(dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-1H-pyrano[3 ... ]quinoline-3,14(4H,12H)-dione hydrochloride (1:1); (4S)-10-[(dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-1H-pyrano[3 ...