(1S,4R)-4-Amino-2-cyclopentene-1-methanol Hydrochloride; (1S-cis)-4-Amino-2-cyclopentene-1-methanol Hydrochloride; ((1S,4R)-4-Aminocyclopent-2-en-1-yl)methanol Hydrochloride; 2-Cyclopentene-1-methanol, 4-amino-, Hydrochloride, (1S-cis); 2-Cyclopentene-1-methanol, 4-amino-, Hydrochloride, (1S,4R)