English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
4 个月
光驱动TFA介导喹喔啉-2(1H)-酮在碳酸二甲酯中选择性C3-羟基化反应及其 ...
本文报道了一种在绿色溶剂碳酸二甲酯(DMC)中,通过395-400 nm LED光照驱动三氟乙酸(TFA)介导的喹喔啉-2(1H)-酮C3位选择性羟基化新 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Allows CA to use new map
To receive Medal of Honor
Suspect charged w/ terrorism
DOJ removes ICE lawyer
Alex Saab arrested
Postpones Las Vegas shows
Pennsylvania hospital fire
Won’t seek reelection
US-RU nuclear pact expires
Charged with felony assault
TX anti-ESG law blocked
US job openings fall
Abandon merger talks
Recalls 450K+ vehicles
To resume military talks
To close 250 locations
Sentenced to life in prison
Relations w/ US 'rock solid'
PR voting machines probed?
Beats earning expectations
RU captain jailed over crash
Montana's Hauck retires
Apologizes to Epstein victims
Hayes suspended 1 game
Peace talks continue
AZ helicopter crash kills 2
NCAA denies appeal
Paul Weiss chairman resigns
5th Dimension co-founder dies
Famine spreads in Sudan
Bans e-waste imports
Immigration crackdown update
反馈