CBNumber CB3190906 (2S)-(+)-2,5-DIHYDRO-3,6-DIMETHOXY-2-ISOPROPYLPYRAZIN (S)-2,5-Œ"- 3 ,6-Œ2'ú-2-ú!ê MF C9H16N2O2 MW 184.24 CAS 78342-42-4 MOL Mol file