Synonyms: 2,4-Diamino-6-piperidinopyrimidine 3-N-oxide, 2,4-Diamino-6-piperidinopyrimidine 3-oxide, 6-Amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine, Alopexil, Alostil, Loniten, Lonolox, Minoxidil, Minoximen, Mintop, Normoxidil, PDP, Pierminox, Prexidil, RiUP, Rogaine, Tricoxidil, U 10858