199864-87-4 2-Amino-4-(4-fluoronaphth-1-yl)-6-isopropylpyrimidine 2-Pyrimidinamine, 4-(4-fluoro-1-naphthalenyl)-6-(1-methylethyl)- MT 500 Pyrimidine, 2-amino-4-(4-fluoronaphth-1-yl)-6-isopropyl- RS 127445 RS-127445