127709-37-9 4H-Imidazol-4-one, 2-amino-1,5-dihydro-1-methyl-, compd. with 3-(2-aminoethyl)-4-fluoro-1H-indole-5,6-diol sulfate (salt) (1:1:1) 5,6-Dhftc 5,6-Dihydroxy-4-fluorotryptamine creatinine