8'-Thia-4',6'-diazaspiro[cyclohexane-1,5'-tricyclo[7.4.0.0^{2,7}]tridecane]-1'(9'),2'(7')-dien-3'-one 1g

8'-Thia-4',6'-diazaspiro[cyclohexane-1,5'-tricyclo[7.4.0.0^{2,7}]tridecane]-1'(9'),2'(7')-dien-3'-one 1g