1-Benzyl-4-(1-(4-methoxyphenyl)-1H-tetraazol-5-yl)-N-phenyl-4-piperidinamine AIDS-143683 AIDS143683 N-(1-Benzyl-4-(1-(4-methoxyphenyl)-1H-tetraazol-5-yl)-4-piperidinyl)-N-phenylamine NSC665003