sent1: Toluene is the simplest member of the class toluenes consisting of a benzene core which bears a single methyl substituent. It has a role as a non-polar solvent, a cholinergic antagonist, a neurotoxin and a fuel additive. It is a methylbenzene, a volatile organic compound and a member of toluenes.
sent2: पिरिमिडिन एक कार्बनिक यौगिक है।