1,11-Diamidinoundecane dihydrochloride 1,11-Hendecanediamidine dihydrochloride 1,11-Undecanediamidine dihydrochloride 6033-13-2 Hendecanediamidine dihydrochloride NSC 402287 Tridecane diamidine dihydrochloride Tridecanediamidine 2HCl Tridecanediamidine, dihydrochloride Tridecanediimidamide, dihydrochloride (9CI) n-Undecane-1,11-diamidine dihydrochloride