Chemical Name: 9-Hydroxynonyl carbamimidothioate
Synonym: Epirubicin EP Impurity C ; (8S,10S)-10-[(3-amino-2,3,6-trideoxy-α-l-lyxo-hexopyranosyl)oxy]-6,8,11-trihydroxy-8-(hydroxyacetyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione hydrochloride ; doxorubicin