Nindolyl
Nindolyl is a chemical compound that falls under the class of indole derivatives. Indoles themselves are bicyclic organic compounds, consisting of a six-membered benzene ring fused to a five-membered pyrrole ring. The "nindolyl" designation specifically refers to a substituted indole structure where the substituent's position and nature are implied by the prefix "nin". However, "Nindolyl" is not a standard or widely recognized chemical nomenclature. It's possible this term is a typo, a proprietary name, or refers to a very specific, perhaps novel, research compound not yet broadly cataloged.
Without further clarification on what "nin" signifies in this context, it is difficult to provide detailed information.