(2R,5SR)-(-)-2,5-DIHYDRO-3,6-DIMETHOXY-2-ISOPROPYL-5- METHYLPYRAZINE 99+%

(2R,5SR)-(-)-2,5-DIHYDRO-3,6-DIMETHOXY-2-ISOPROPYL-5- METHYLPYRAZINE 99+% · CAS 207923-14-6