N-{4-methoxy-8-oxatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5,10,12-hexaen-5-yl}propane-1-sulfonamide 1g

N-{4-methoxy-8-oxatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5,10,12-hexaen-5-yl}propane-1-sulfonamide 1g