C.I.酸性绿20; 酸性绿20; 弱酸性绿 A; AMIDO GREEN BLACK B; CI NO 20495; disodium 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate; ACID GREEN 20 (C.I. 20495); Dark Green B; C.I.Acid Green 20; Acid Dark Green 6B; Atlacid Dark Green B