Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/1_3_5_2_4-Trioxadisilocino7_6-bpyrrole-7_6H_-carboxylic-acid_-8-_cyanomethyl_tetrahydro-9-_1H-imidaz 1,3,5,2,4-Trioxadisilocino7,6-bpyrrole-7(6H)-carboxylic acid,... 1,3,5,2,4-Trioxadisilocino7,6-bpyrrole-7(6H)-carboxylic acid, 8-(cyanomethyl)tetrahydro-9-(1H-imidazol-1-ylthioxomethoxy)-2,2,4,4-tetrakis(1-methylethyl)-,...