A1IRM a1irm [(3~{a}~{R},8~{a}~{R})-6,6-bis(oxidanylidene)-1,3-bis(2,4,6-trimethylphenyl)-3~{a},4,5,7,8,8~{a}-hexahydro-2~{H}-imidazo[4,5-d][1,2,7]thiadiazepin-2-yl]-chloranyl-gold A1IRM