4,7-Methano-1H-(1,2)diazeto(3,4-f)benzotriazole, 1-(4-chlorophenyl)-3a,4,4a,6a,7,7a-hexadydro-, (3a-alpha,4-beta,4a-alpha,6a-alpha,7-beta,7a-alpha)- 77788-21-7 BAS 106 BAS 106-00W BAS 106-04W Ken BYO LAB 102883 Tetcyclacis Tetracyclacis