2,4-二氯-1,3,5-三嗪;C.I. Direct Red 75 (VAN);C.I. Direct Red 75, tetrasodium salt (8CI);Direct Red 75;(6E)-6-imino-5-[2-(4-{[(4-{2-[(2E)-2-imino-8-oxo-6-sulfo-2,8-dihydronaphthalen-1-yl]hydrazino}-3-sulfophenyl)carbamoyl]amino}-2-sulfophenyl)hydrazino]-4-oxo-4,6-dihydronaphthalene-2-sulfonic acid;(6E)-6-imino-5-[2-(4-{[(4-{2-[(2E)-2-imino-8-oxo-6-sulfo-2,8-dihydronaphthalen-1-yl]hydrazino}-2-sulfophenyl)carbamoyl]amino}-3-sulfophenyl)hydrazino]-4-oxo-4,6-dihydronaphthalene-2-sulfonic ac