9,12-Diazatricyclo(14.3.1.1(2.6))heneicosa-1(20),2,4,6(21),16,18-hexaene-8-carboxylic acid, 14-amino-11-(3-amino-2-hydroxypropyl)-5,7,17-trihydroxy-10,13-dioxo-, dihydrochloride