63950-46-9 InChI=1/C20H20N2O4/c1-3-9-10-8-13-17-20(14(10)18(23)25-2,11-6-4-5-7-12(11)21-17)15-16(9)22(13)26-19(15)24/h3-7,10,13-16,19,24H,8H2,1-2H3/b9-3+/t10-,13+,14?,15?,16-,19+,20?/m1/s Narelin beta-D-glucopyranoside, 3,4,5-trimethoxyphenyl methyl rel-(10R,12R,13E,14S,17R)-13-ethylidene-17-hydroxy-16-oxa-8,15-diazahexacyclo[10.6.1.0~1,9~.0~2,7~.0~10,15~.0~14,18~]nonadeca-2,4,6,8-tetraene-19-carboxylate (non-preferred name)