163164-92-9 1,4,7,10,14,17,20,23-Octaazacyclohexacosane-1,4,7,10,14,17,20,23-octaacetic acid 16319-99-6 [2-[(6S,8S,9S,10R,13S,14S,17R)-6-chloro-17-hydroxy-10,13-dimethyl-3,11 -dioxo-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl ]-2-oxo-ethyl] acetate