Syonyms Name: C.I. 28160; C.I. Direct Red 81 (VAN); C.I. Direct Red 81 disodium salt; C.I. Direct Red 81 (7CI); C.I. Direct Red 81, disodium salt; Solaminrot 4B; Direct Red 81; Chloroantine fast red 5B; disodium 4-hydroxy-7-[(phenylcarbonyl)amino]-3-[(E)-{4-[(E)-(4-su