... C',HoN,1)3 5ii. s :;, 1 S 11 . 7 Xi, 7 t3.4 I 13, 1 ... Found: C, 86.51; H, 7.50; 0, 6.50. 5-( 3-Chloropropylidene)-lO,ll-dihydro-5H-dibenzo [a,& cyclo- ... B. (3) Provided by Dr. Jack Rlills, The Lilly Researcil Laboratories, Indian- (4) Purchased from Roberts Chemical Co., Nitro, JT. Va. ...