2-Naphthalenecarboxylic acid, 4-(1-(3-carboxy-4-hydroxy-1-naphthalenyl)-3-oxo-1H,3H-naphtho(1,8-cd)pyran-1-yl)-1-hydroxy-6-(octadecyloxy)- 3-(3'-Carboxy-4'-hydroxy-1'-naphthyl)-3-(3''-carboxy-4''-hydroxy-7''-n-octadecyloxy-1''-naphthyl)naphthalide 38122-81-5 4-(1-(3-Carboxy-4-hydroxy-1-naphthalenyl)-3-oxo-1H,3H-naphtho(1,8-cd)pyran-1-yl)-1-hydroxy-6-(octadecyloxy)-2-naphthalenecarboxylic acid 4-(1-(3-Carboxy-4-hydroxy-1-naphthyl)-3-oxo-1H,3H-naphtho(1,8-cd)pyran-1-yl)-1-hydroxy-6-(octadecyloxy)-2-naphthoic acid 55197-82-5 EINECS 253-792-7