JJI jji (4S,11S,18S)-4-[[(2,4-dinitrophenyl)disulfanyl]methyl]-11,18-dimethyl-6,13,20-trithia-3,10,17,22,23,24-hexazatetracyclo[17.2.1.1^{5,8}.1^{12,15}]tetracosa-1(21),5(24),7,12(23),14,19(22)-hexaene-2,9,16-trione JJI