{SA} Building Blocks, C4 to C5, Chemical Synthesis, Fluorinated Building Blocks, Heterocyclic Building Blocks, Heterocyclic Fluorinated Building Blocks, New Products for Chemical Synthesis, Other Fluorinated Heterocycles, Pyrimidines
{SNA} Building Blocks, C4 to C5, Chemical Synthesis, Fluorinated Building Blocks, Heterocyclic Building Blocks, Heterocyclic Fluorinated Building Blocks, Other Fluorinated Heterocycles, Pyrimidines