3H,12H-4,1:11,8:18,15-Trinitrilo-1H-pyrrolo[2,- 1-c][1,11,18,4,7,14,21]oxadithiatetraazacyclotetracosine- 5,12,19,22(4H)-tetrone,6,7,13,14,- 20,21,24,25,26,26a-decahydro-3-methyl-7-(1- methylethyl)-14