1. English: China HowNet, Wanfang, VIP, China Patent (China National Intellectual Property Administration);
2. English: CA, American Chemical Society (/), Royal Chemical Society (RSC), Wiley-Blackwell, Springer and US Patent Office, etc.
3. If your company doesn't have the right to buy these databases, you can post for help in the Little Wood Bug Forum (/bbs/). Usually someone will reply to the available download link within an hour, but you need the forum "gold coin".
Supramolecular reviews such as calixarene can be directly searched in ACS and other databases with English names, only in review journals such as Chem. Rev and Acc. Chemistry. come back to life