diethyl 2-hydroxymethyl-benzoxazole-7-phosphonate

(2-氧代-1,3-苯并噁唑-3(2H)-基)乙酸

乙酰乙酸乙酯

6-ethoxycarbonylaminoquinoline-5-carbonitrile

3-imino-1,3,N-triphenyl-2-methylprop-1-enylamine