p. 863 - 866
(2007/10/02)5-Benzyl-3,3-dimethyl-4,5-dihydro-3H-pyrazole
4-isopropyl-2-methyl-6-phenyl-pyridazin-3(2H)-one
7-phenyl-3,3,5-trimethyl-3H-pyrazolo<3,4-d>pyridazin-4(5H)-one
7-phenyl-3,3,5-trimethyl-1,2-dihydro-3H-pyrazolo<3,4-d>pyridazin-4(5H)-one
7-phenyl-3,3,5-trimethyl-3a,7a-dihydro-3H-pyrazolo<3,4-d>pyridazin-4(5H)-one