2,4,6-Dinitrobenzenesulfonate 2,4,6-Trinitrobenzene-1-sulfonic acid 2,4,6-Trinitrobenzenesulfonic acid 2508-19-2 Benzenesulfonic acid, 2,4,6-trinitro- NSC127994 Picryl sulfonic acid Trinitrobenzenesulfonic acid