021286 chiral_centers < 0 or > 11 19-479 Triacyloximes < 0 or > 0 021166S chiral_centers < 0 or > 11 021110S chiral_centers < 0 or > 11 020084 chiral_centers < 0 or > 11 020096 chiral_centers < 0 or > 11 021130S chiral_centers < 0 or > 11 021131S chiral_centers < 0 or > 11 021132S chiral_centers < 0 or > 11 021133S chiral_centers < 0 or > 11 E-002 Heptanes < 0 or > 0 01-064 unacceptable_atom K 01-066 unacceptable_atom Na 19-551 Isonitriles < 0 or > 0 20-101 Non-Hydrogen_atoms < 5 or > 50 12-903 N,O,S < 1 or > 20 D-007 Propenals < 0 or > 2 22-001 Propenals < 0 or > 2