3,7,7-Trimethyl-4-styryl-4,7,8,9-tetrahydro-2H-pyrazolo[3,4-b]quinoline-5(6H)-one

3,7,7-Trimethyl-4-styryl-4,7,8,9-tetrahydro-2H-pyrazolo[3,4-b]quinoline-5(6H)-one