(1R,2S,4R,6S)-2-Hydroxymethyl-4-acetyl-1-methyl-7-oxabicyclo[4.1.0]heptane

(1R,2S,4R,6S)-2-Hydroxymethyl-4-acetoxy-1-methyl-7-oxabicyclo[4.1.0]heptane

(3S,5R)-5-Acetoxy-3-hydroxy-2-methylcyclohex-1-ene-1-carboxaldehyde

1,25-二羟基-前维生素 D(3)

骨化三醇杂质 C