英文名称:Direct Blue 1; Pontamineskybluebx; Tetrasodium (6Z,6'Z)-6,6'-[(3,3'-Dimethoxybiphenyl-4,4'-Diyl)Di(1Z)Hydrazin-2-Yl-1-Ylidene]Bis(4-Amino-5-Oxo-5,6-Dihydronaphthalene-1,3-Disulfonate); Pontamine Sky Blue 6Bx; Pontamine Sky Blue 6Bx; C.I. 24410; Tetrasodium (6Z,6'Z)-6,6'-[(3,3'-Dimethoxybiphenyl-4,4'-Diyl)Di(1Z)Hydrazin-2-Yl-1-Ylidene]Bis(4-Amino-5-Oxo-5,6-Dihydronaphthalene-1,3-Disulfonate); Tetrasodium (6Z)-4-Amino-6-({4'-[(2E)-2-(8-Amino-1-Oxo-5,7-Disulfonatonaphthalen-2(1H)-Ylidene)Hydrazino]-3,3'-Dimethoxybiphenyl-4-Yl}Hydrazono)-5-Oxo-5,6-Dihydronaphthalene-1,3-Disulfonate; Tetrasodium (6Z)-4-Amino-6-({4'-[(2E)-2-(8-Amino-1-Oxo-5,7-Disulfonatonaphthalen-2(1H)-Ylidene)Hydrazino]-3,3'-Dimethoxybiphenyl-4-Yl}Hydrazono)-5-Oxo-5,6-Dihydronaphthalene-1,3-Disulfonate; C.I. Direct Blue 1, Tetrasodium Salt; Chicago Sky Blue 6B (C.I. 24410); C.I. Direct Blue 1; Chicago Sky Blue?B; Chicago Sky Blue 6B; Pontamineskybluebx; Chicago Sky Blue 6B (C.I. 24410); C.I. Direct Blue 1, Tetrasodium Salt