Isotretinoin

ethyl (E)-4-bromo-3-methylbut-2-enoate
51318-62-8
Product Code Ax-18441
CAS Number 51318-62-8
Molecular Formula C7H11BrO2
Molecular Weight 207.07
ethyl (E)-4-(diethoxyphosphoryl)-3-methylbut-2-enoate
41891-54-7
Product Code Ax-18440
CAS Number 41891-54-7
Molecular Formula C11H21O5P
Molecular Weight 264.26