65138-04-7

5,7-ETHENO-1H,5H-CYCLOPROPA[D][1,2,4]TRIAZOLO[1,2-A]PYRIDAZINE-6-CARBOXYLIC ACID, 2,3,5A,6,6A,7-HEXAHYDRO-1,3-DIOXO-2-PHENYL-, METHYL ESTER