$Amneal制药(AMRX)$ The FDA approves Amneal Pharmaceuticals' (NYSE:AMRX) generic versions of Pfizer's (NYSE:PFE) Revatio (sildenafil citrate) Oral Suspension 10 mg/mL and Clover Pharms' Amicar (aminocaproic acid) Tablets USP, 500 mg. Commercialization will begin immediately.Per IQVIA, the U.S. market for the former is ~$180M and ~$23M for the latter.