EMCO CHEMICALS Exp. Of K-acid, M.u.a., M.p.d.s.a., G-salt, R-salt, 4-nap, S.t. Acid, Resist Salt, Metanilic Acid, Dasa, N.w. Acid, A.n.a., P.n.a. O.s.a., Sulphanilic Acid, Paab4sa, Oapsa, B.d.s.a., 4-cap, Map, Oapsamide, Blue B Base, Pharmaceuticals & Reactive Dye