1 JL8 (2~{R})-2-[5-(3-chloranyl-2-methyl-4-oxidanyl-phenyl)-6-ethyl-thieno[2,3-D]pyrimidin-4-yl]oxy-3-phenyl-propanoic acid 1.000 2 JL5 (2~{R})-2-[5-[3-chloranyl-2-methyl-5-(4-methylpiperazin-1-yl)-4-oxidanyl-phenyl]-6-ethyl-thieno[2,3-D]pyrimidin-4-yl]oxy-3-phenyl-propanoic acid 0.821 3 JLH (2~{R})-2-[5-[3-chloranyl-2-methyl-4-[2-(4-methylpiperazin-1-yl)ethoxy]phenyl]-6-ethyl-thieno[2,3-D]pyrimidin-4-yl]oxy-3-phenyl-propanoic acid 0.738