7LT 7lt (5~{R},13~{S},17~{S})-5-[[4-chloranyl-3-(2-phenylethyl)phenyl]methyl]-13-[(4-chlorophenyl)methyl]-8-methyl-1,4,8,12,16-pentazatricyclo[15.8.1.0^{20,25}]hexacosa-20(25),21,23-triene-3,7,15,26-tetrone 7LT