Ethambutol HCI Tablets, USP Tuberculostatic Agent   PrETIBI 100 mg DIN 00247960 100 mg - Round, blue, biconvex, film coated tablet, scored on one side (core dia. 5/16") Bottle of 100 PrETIBI 400 mg DIN 00247979 400 mg - Round, blue, biconvex, film coated tablet, scored on one side and embossed "ICN E12" on the other (core dia. 1/2") Bottle of 100