p. 1077 - 1080
(1984)p. 1328
(1935)p. 466 - 476
(2013/03/13)p. 317 - 321
(2007/10/03)1,7-Dihydroxynaphthalene
acetic anhydride
7-hydroxy-naphthalene-1-sulfonic acid
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
6-amino-4-hydroxy-2-naphthalenesulfonic acid