107140-32-9 2-Oxa-11,14-diazatricyclo(15.2.2.1(3,7))docosa-3,5,7(22),17,19,20-hexaene-15-carboxylic acid, 9-amino-12-(2-amino-2-oxoethyl)-4-methoxy-10,13-dioxo-, (9S-(9R*,12R*,15R*))- Of 4949-III Of-4949III