3-NITROBENZENESULFONIC ACID 3-Nitrobenzenesulphonic acid 3-Nitrophenylsulfonic acid 4-11-00-00179 (Beilstein Handbook Reference) 98-47-5 BRN 0647983 Benzenesulfonic acid, 3-nitro- Benzenesulfonic acid, m-nitro- CCRIS 3131 EINECS 202-671-7 Kyselina 3-nitrobenzensulfonova [Czech] Kyselina nitrobenzen-m-sulfonova [Czech] m-Nitrobenzenesulfonic acid