73018-96-9 1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol, alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1-methylenebis(4-isocyanatobenzene)
73019-26-8 2-Naphthalenecarboxylic acid, 3-hydroxy-4-(6-sulfo-2-naphthalenyl)azo-, manganese(2+) salt (1:1)