Word Count : 229

---

Pyridino[2,3-d]pyridazine is a fused heterocyclic compound consisting of a pyridine ring fused with a pyridazine ring. The pyridine ring is a six-membered aromatic ring containing one nitrogen atom, while the pyridazine ring is also six-membered but contains two adjacent nitrogen atoms. In the [2,3-d] fusion, the second and third positions of the pyridazine ring are shared with ____ ___ ____ ________ ___ ______ __________.
_____ ____ _______ ________ _____ ____ __________ ________ ________.
_________ __________ _______ _______ __________.
______ ____ _____ __________ _______ ____.
________ _______ _____ __________ __________ _____ ____ ________ __________ ___ ___ ________.
_________ __________ ___ ________ ______ _________ _______ _____ _______ ___ ____ ______.
___ ________ _________ _____ ________ ___ __________ _____ ____ _____ ________.
_____ _____ _______ __________ _____ _______ ________ _________.
__________ __________ ____ _________ _________ _________ ___.
_________ ____ ________ _______ ________ __________ ____ ________ _________.
________ ___ ________ ________ _____ ___ ____ ____ ___ __________ ____ _______.
________ ________ _____ _________ _________ _______ ___.
_________ __________ ______ ______ _________ ___ ______ ____ ________.
_______ _________ ________ _____ ____.
____ _____ ________ _________ ________ _______ ___ __________ ________ _________ ___.
________ ____ ___ ______ __________ _______ ______ _______ ________.
_____ __________ _______ _______ _____ _____ _____ ___.
___ ______ _________ ___ ________ _______ __________ __________.
_____ ________ ______ ________ ________ _____ _______ _____.
________ _______ ____ _____ _____ ______ _______ ______ _____.
Get Full Answer on WhatsApp