A1INV a1inv 3-cyclohexyl-19,20-dimethoxy-19-methyl-11,20-dioxa-5-aza-1lambda5-polona-1,19lambda5-dithia-18-azanida-1lambda5-stannapentacyclo[19.2.1.05,10.013,18.018,22]tetracosane-4,12-quinone A1INV