Syonyms Name: C.I. 27905; C.I. Direct Violet 51 (VAN); C.I. Direct Violet 51 disodium salt; C.I. Direct Violet 51, disodium salt (8CI); Direct Violet 51; Direct Violet 51; (2Z,3Z)-2-[4-(4-chlorophenyl)-1,3-thiazol-2(3H)-ylidene]-3-(3-methoxy-4-oxocyclohexa-2,5-dien-1-