Synonyms: 2,4,10-Trioxa-7-azaundecan-11-oicacid, 7-[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]-3-oxo-, methyl ester (9CI);Carbonic acid, [[p-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]diethylenedimethyl ester (8CI); Carbonic acid, methyl ester, diester with2,2'-[[p-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]diethanol (7CI);Ethanol, 2,2'-[[p-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]di-, bis(methylcarbonate) (8CI);[(2,6-Dichloro-4-nitrophenyl)azo]-4-[N-bis(2-methoxycarbonyloxyethyl)amino]benzene