1,3-Cyclopentanedicarboxylic acid, 1-amino-, (1S,3R)- 1,3-Cyclopentanedicarboxylic acid, 1-amino-, (1S-cis)- 1-Amino-1,3-cyclopentanedicarboxylic acid 1-Amino-1,3-dicarboxycyclopentane 1-Aminocyclopentane-1S,3R-dicarboxylic acid 111900-32-4 130942-93-7 149881-50-5 CB 1712