Synonyms: 93375-53-2;Of-4949F;AC1L3T65;Of 4949-F;2-Oxa-11,14-diazatricyclo(15.2.2.1(3,7))docosa-3,5,7(22),17,19,20-hexaene-12-acetic acid, 9-amino-15-carboxy-alpha,4-dihydroxy-10,13-dioxo-;9-amino-12-[carboxy(hydroxy)methyl]-4-hydroxy-10,13-dioxo-2-oxa-11,14-diazatricyclo[15.2.2.13,7]docosa-1(19),3(22),4,6,17,20-hexaene-15-carboxylic acid;9-Amino-15-carboxy-alpha,4-dihydroxy-10,13-dioxo-2-oxa-11,14-diazatricyclo(15.2.2.1(3,7))docosa-3,5,7(22),17,19,20-hexaene-12-acetic acid