Appearence: White or white crystalline powder
The antimicrobial spectrum of this product is similiar with erythromycin, has strong action, it's 4 times stronger than erythromycin on the action of haemophilus influenzae and drench coccus , also 2 times stronger to corps bacteria. In addition, this product also have good exterminate action on day 2 (Toxoplasma), syphilis helicoid.