Bis[(2R,5S)-5-Allyl-2,5-dihydro-3,6-dimethoxy-2-isopropylpyrazin-5-yl] ketone

Bis[(2R,5S)-5-allyl-2,5-dihydro-3,6-dimethoxy-2-isopropylpyrazin-5-yl]methanol

(2R,2''R,5S,5''S)-2,2'',5,5''-Tetrahydro-3,3'',6,6''-tetramethoxy-2,2''diisopropylpyrazine-5-spiro-1'-cyclohept-5'-ene-3'-spiro-5''-pyrazin-2''-one

(2R,5S)-3'-bromo-2,5-dihydro-2-isopropyl-3,6-dimethoxy-4'-methylenepyrazine-5-spirocyclopent-2'ene

Bis[(2R,5S)-5-allyl-2,5-dihydro-3,6-dimethoxy-2-isopropylpyrazin-5-yl](methoxy)methane