Chemistry Conjugation of MTX (non-hydrated type and with unprotected carboxylic organizations) with TSPO ligand 2 while trifluoroacetic acid sodium was performed in anhydrous = 876

Chemistry Conjugation of MTX (non-hydrated type and with unprotected carboxylic organizations) with TSPO ligand 2 while trifluoroacetic acid sodium was performed in anhydrous = 876.3459 (TSPO-ligand MTX conjugate 3, [M ? H]?) or at 876.3430 (TSPO-ligand MTX conjugate 4, [M