From Google:
[0018]Preferably, the non-dihydrate azithromycin is present in one of several alternate crystalline forms, including forms D, E, F, G, H, J, M, N, 0, P, Q ...
H2006/019, AZICURE 250 TABLETS, TABLETS, Azithromycin Dihydrate US P equivalent to ... H2007/066, AZIMAX 500 MG TABLETS, TABLETS, AZITHROMYCIN DIHYDRATE USP ...
[edit] Formulation. Tablets containing 250 mg Tablets of Oxytetracycline as the dihydrate ... noco(i,b,d,q,u,r,p,k,c,v)/cong/tumr(n,e,d), sysi/epon ...
Aug 30, 2010 ... (http://ultrameds.info/img.php?q=azithromicyn&s=1) ... azithromycin resistant strep azithromycin dihydrate wikipedia ...