英文名称:calcium bis[3-hydroxy-4-(phenylazo)-2-naphthoate]; C.I. 15800 Ca Salt; C.I. Pigment Red 64:1; C.I. Pigment Red 64, calcium salt; C.I. Pigment Red 64, calcium salt (2:1) (8CI); D & C Red no. 31; (5Z)-5-(4-{2-[2-methoxy-4-(prop-2-en-1-yl)phenoxy]ethoxy}benzylidene)-3-methyl-2-thioxo-1,3-thiazolidin-4-one