151183-20-9 Bicyclo[2.2.1]heptane,2,2,3,5,5-pentachloro-7-(chloromethyl)-1,7-bis(dichloromethyl)-,(1R,3R,4S,7S)-rel- 197068-87-4 1,3,4A,5,7,8A-HEXAMETHYLTETRAHYDROCYCLOBUTA[1,2-D:3,4-D']DIPYRIMIDINE-2,4,6,8(1H,3H,4AH,7H)-TETRONE 140840-78-4 Indolo[2,3-a]quinolizine-2-acetic acid, 1,2,3,4,6,7,12,12b-octahydro-,methyl ester, trans-