Armstrong'S acid81-04-9100 % similar 1,5-Naphthalenedisulfonic acid, hydrate (1:4)211366-30-287 % similar L Acid117-59-977 % similar Naphthalene-1-sulfonic acid85-47-276 % similar Laurent acid84-89-974 % similar 1,3,5-Naphthalenetrisulfonic acid6654-64-471 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-167 % similar Dansyl acid4272-77-967 % similar 2-Amino-1,5-naphthalenedisulfonic acid117-62-465 % similar 1-Naphthol-4-sulfonic acid84-87-764 % similar Naphthionic acid84-86-662 % similar Edans50402-56-759 % similar 5-Isoquinolinesulfonic acid27655-40-956 % similar D Acid81-05-055 % similar 1-Naphthol-8-sulfonic acid117-22-652 % similar S Acid83-64-751 % similar 1-Amino-2-naphthol-4-sulfonic acid116-63-250 % similar 2-Amino-1-naphthol-4-sulfonic acid567-13-550 % similar Peri acid82-75-750 % similar 8-Quinolinesulfonic acid85-48-350 % similar