甲基(4S)-4-甲基-4,5-二氢-1,3-恶唑-4-羧酸酯

(S)-3-(benzyloxy)-2-methyl-2-(2-(trimethylsilyl)ethylsulfonamido)propanoic acid

(3S,6R)-N-1-(tert-butoxycarbonyl)-3-hydroxymethyl-6-isopropyl-3-methyl-5-phenyl-1,2,3,6-tetrahydro-2-pyrazinone

甲醛