level 1
王金龙2107
楼主
一节课就记住!有机化学官能团总结_哔哩哔哩_bilibili
来自：www.bilibili.com/video/BV1cf4y1T7hg/?vd_source=db8bc77151f687db964fa37f742de9fb&share_medium=web&share_source=baidu&bbid=B21FA971-8AEB-6952-FAAF-C6E49678DD1A16392infoc&ts=1760538346585