6,10,12-trichloro-13H-naphtho[2,3-c]acridine-5,8,14-trione; Ponsol Red Violet RRNXD; C.I. Vat Violet 14; Benzadone Red Violet 2RK; Palanthrene Red Violet RRK; Ponsol Red Violet 2RNX; Ponsol Red Violet RRNX; Carbanthrene Red Violet 2RNX; Caledon Red Violet 2RN; Indanthrene Red Violet RRK; Indanthren Red Violet RRK