2-Pentenedioic acid, 4-(7-methoxy-3,7-dimethyloctylidene)-3-methyl-, disodium salt, (2Z,4E)- 53023-59-9 Disodium (Z,E)-(1)-4-(7-methoxy-3,7-dimethyloctylidene)-3-methylpent-2-ene-1,5-dioate EINECS 258-303-0