2-对甲砜基咪唑[1,2-A]吡啶-3-甲醛

4-甲基-3,4-二氢-2H-1,4-苯并噁嗪-7-甲醛

1-Boc-5-甲酰基吲哚啉

1-Boc-吲哚啉

4-chlorooxolan-3-ol,formic acid