Famotidine EP Impurity E

: Famotidine USP Related Compound E ;|2,2'-((disulfanediylbis(methylene))bis(thiazole-4,2-diyl))diguanidine|Bis[(2-guanidino-4-thiazolyl)methyl]disulfide;|Famotidine EP Impurity E ; 2,2'-[Disulphanediylbis(methylenethiazole-4,2-diyl)]diguanidine.|Famotidine Related Compound E;|Famotidine USP Related Compound E ;|N,N'''-[Dithiobis(methylene-4,2-thiazolediyl)]bisguanidine|N,N'''-[Dithiobis(methylene-4,2-thiazolediyl)]bisguanidine;|USP Famotidine Relatiazolyl)methyl]disulfide