1,4-Dihydroxyanthraquinone-2-sulfonic acid 145-48-2 2-Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo- 2-QUINIZARINSULFONIC ACID 9,10-Dihydro-1,4-dihydroxy-9,10-dioxoanthracene-2-sulphonic acid AI3-50015 Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo- C.I. 58055 C.I. Pigment Violet 5 EINECS 205-654-2 Helio Fast Rubine 4BLA Morocco Maroon X-1550 NSC 111951 Quinizarin-3-sulfonic acid Quinizarin-3-sulphonic acid Quinizarinsulfonic acid Rufianic acid