623565-16-2
2-hydroxymethyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester
→
~96%
623565-69-5
(4,5,6,7-四氢吡唑并[1,5-a]吡嗪-2-基)甲醇