6-Piperidinomethyl-4-dimethylaminopyrimido(4,5-b)(1,4)thiazine 7H-Pyrimido(4,5-b)(1,4)thiazin-4-amine, N,N-dimethyl-6-(1-piperidinylmethyl)- 80949-15-1 N,N-Dimethyl-6-(1-piperidinylmethyl)-7H-pyrimido(4,5-b)(1,4)thiazin-4-amine