Fentanyl EP Impurity I DiHCl CAS:99918-43-1 Formula: C11H16N2. 2HCl F-157028 176.26 2*36.36 FENTANYL FENTICONAZOLE EP IMPURITY B NITRATE CAS:80639-95-8 Formula: C24H20Cl2N2O2S. HNO3 F-603 Fenticonazole FENTICONAZOLE EP IMPURITY C NITRATE CAS:80676-29-5 Formula: C24H20Cl2N2O3S. HNO3 F-604 Fenticonazole | ||||||||||||||