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Fig. 2 Small molecules alter development of the heart. (A) The structure of the small molecule 31J6. (B) Ventral view of embryos treated with the small molecule 32P6 (2 μg/ml). The two putative pericardial sacs are indicated by arrowheads. Embryos were photographed 76 hpf.
                
                    
                        Acknowledgments
                    
                    
                
                
            
        
        
    
        
            
            
                
                    
                        
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      Full text @ Proc. Natl. Acad. Sci. USA