R )- 2 isopropyl 3 6 dimethoxy 2 5 dihydropyrazine July 8, 2019 16 32 64 128 2 6-diisopropylphenyl isopropyl ether 2 6-dimethyl-1 4-dihydropyridin-3 5-dicarbonsäurediethylester 2-isopropoxy-4 4 5 5-tetramethyl-1 3 2-dioxaborolane
