SEARCH Articles Figures Tables Biopharmaceutic classification system Biopharmaceutical Classification System Biopharmaceutical Classification System Class 2 compounds Biopharmaceutical classification Biopharmaceuticals Biopharmaceuticals Classification Biopharmaceuticals Classification System Biopharmaceutics Biopharmaceutics Classification Biopharmaceutics Classification System Biopharmaceutics Classification System Redefining BSC Solubility Class Boundary Biopharmaceutics System Classification system