吐氏酸

tobias acid

TOBIAS ACID 0.97 MIN.& 0.98 MIN.

tobias acid; 2-aminonaphthalene-1-sulfonic acid

oxy-Tobias acid

TOBIAS ACID 0.97

Sulpho Tobias Acid

Tobias Acid 0.97

TOBIAS ACID 97 PCT