InChI=1/C23H26N2O2/c1-2-23(27)16-25(15-17-8-4-3-5-9-17)13-12-19(23)22(26)21-14-18-10-6-7-11-20(18)24-21/h3-11,14,19,24,27H,2,12-13,15-16H2,1H3/t19-,23+/m1/s methanone, [(3R,4S)-3-ethyl-3-hydroxy-1-(phenylmethyl)-4-piperidinyl]-1H-indol-2-yl- rel-[(3R,4S)-1-benzyl-3-ethyl-3-hydroxypiperidin-4-yl](1H-indol-2-yl)methanone