1399880-37-5;Butanedioic acid, 2,3-bis(benzoyloxy)-, (2R,3R)-, compd. with (11bR)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one , 98%;(R)-2,3,6,7-tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4(11bH)-one (2R,3R)-2,3-bis(benzoyloxy)succinate
¥100