The presence of a substituent group (such as alkyl, aryl, or halogen) at the 8th position of the molecule.
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
Ethyl 4-chloro-6-nitroquinoline-3-carboxylate
8-benzyl-4-methyl-1-oxa-3,8-diaza-spiro[4.5]decan-2-one