43012-17-5 (2Z,12Z)-pentacyclo[15.3.1.1~4,8~.1~7,11~.1~14,18~]tetracosa-1(21),2,4(24),5,7,9,11(23),12,14(22),15,17,19-dodecaene (non-preferred name) 501682-68-4 Hexanoic acid, 2-ethyl-,1-methyl-2-(2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-10-yl)ethylester