TACROLIMUS IMPURITY 16-13C-D2 CAS:1356352-20-9 Formula: C5513CH95D2NO12Si2 T-3934 1035.56 Tacrolimus TAMSULOSIN IMPURITY 27 HCL CAS:1582717-04-1 Formula: C18H24N2O5S. HCl T-1245 380.46 36.46 TAMSULOSIN | ||||||||||||||