Ethyl 7-(tert-Butoxycarbonyl)-3-bromo-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylateEthyl 7-(tert-Butoxycarbonyl)-3-bromo-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylateS90682 · CAS 1053656-22-697%¥80.00 / 50mg 起选规格