bromo-2 chloro-3 (ethyl-1 propanol-1)-4 pyridine

2-环己烯-1-酮

7-羟基-4,6-二甲基壬烷-3-酮

DL-扁桃酸甲酯

meso-dimethyl 2,3-dihydroxy-2,3-diphenylsuccinate