1 REG 1-cyclopentyl-3-[[(2~{S})-oxolan-2-yl]methyl]urea 1.000 2 TBJ N-cyclopentyl-N'-{[(2r)-oxolan-2-yl]methyl}urea 1.000 3 6SV 1-cyclohexyl-3-[[(2~{R})-oxolan-2-yl]methyl]urea 0.824 4 A1JEP 1-[[(2~{R},3~{R},4~{R})-3-azanyl-4-oxidanyl-oxolan-2-yl]methyl]-3-phenyl-urea 0.737