1 QLZ 5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-propylpyrimidine-2,4-diamine 1.000 2 N22 5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-ethylpyrimidine-2,4-diamine 0.958 3 EKB 6-ethyl-5-[3-(3,4,5-trimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamine 0.750 4 18G 5-[3-(2,5-dimethoxy-4-phenylphenyl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine 0.710 5 5DR 6-ethyl-5-[3-(4-methoxybiphenyl-3-yl)prop-1-yn-1-yl]pyrimidine-2,4-diamine 0.700 6 6DR 6-ethyl-5-{3-[2-methoxy-5-(pyridin-4-yl)phenyl]prop-1-yn-1-yl}pyrimidine-2,4-diamine 0.700 7 7DR 6-ethyl-5-[3-(5-methoxybiphenyl-3-yl)prop-1-yn-1-yl]pyrimidine-2,4-diamine 0.700 8 9DR 6-ethyl-5-{3-[3-methoxy-5-(pyridin-4-yl)phenyl]prop-1-yn-1-yl}pyrimidine-2,4-diamine 0.700