5-methyl-1-propan-2-yl-4,5-dihydropyrazole;1-isopropyl-5-methyl-4,5-dihydropyrazole;2-Pyrazoline, 1-isopropyl-5-methyl-;5-Methyl-1-isopropyl-.DELTA.[2]-pyrazoline
5-methyl-1-propan-2-yl-4,5-dihydropyrazole