1 6SP (3s)-pyrrolidin-3-ol 1.000 2 7UK (R)-4-hydroxy-2-pyrrolidone 0.857 3 8PB (3r)-1-methylpyrrolidin-3-ol 0.857 4 VES Pyrrolidine 0.833 5 5MP 5-methylpyrrole 0.714 6 BAQ Pyrrolidin-2-one 0.714 7 MFW Cyclopentanone 0.714 8 MR3 1-methyl-1h-pyrrole 0.714 9 YEG Cyclopentanol 0.714