L-PHENYLMERCAPTURIC ACID-D5 CAS:4775-80-8 (non-labelled) Formula: C11H8D5NO3S C-7758 244.32 Cysteine LAMIVUDINE EP IMPURITY I (TROXACITABINE) CAS:145918-75-8 Formula: C8H11N3O4 L-2011 213.19 Lamivudine LERCANIDIPINE DIPROPYL ESTER IMPURITY CAS:77888-05-2 Formula: C21H26N2O6 L-1712 402.45 Lercanidipine |