4,7-methano-1H-isoindole-1,3(2H)-dione, hexahydro-8-(1-methylethylidene)-2-(phenylmethyl)-, (3aR,4R,7S,7aS)- InChI=1/C19H21NO2/c1-11(2)15-13-8-9-14(15)17-16(13)18(21)20(19(17)22)10-12-6-4-3-5-7-12/h3-7,13-14,16-17H,8-10H2,1-2H3/t13-,14+,16+,17 rel-(3aR,4R,7S,7aS)-2-benzyl-8-(1-methylethylidene)hexahydro-1H-4,7-methanoisoindole-1,3-dione