==Structure-1==
===[http://v3.espacenet.com/publicationDetails/claims?CC=EP&NR=0080051A2&KC=A2&FT=D&date=19830601&DB=EPODOC&locale=en_EP EP0080051]===
[[Image:FF11.jpg|thumb|center|500px]]
*<nowiki></nowiki>In the above structure D is N & A,A<nowiki>’</nowiki>,D<nowiki>’</nowiki> are considered as carbons…so it is forming a pyrazole ring.