3-ETHOXY-4-[(2S)-2-(HYDROXYMETHYL)PYRROLIDINO]-3-CYCLOBUTENE-1,2-DIONE; 97% CAS:131589-06-5 AB304720 3-ETHOXY-4-[2'-(3''-INDOLYL)-ETHYLAMINO]-3-CYCLOBUTENE-1,2-DIONE (RAC); 98% CAS:131589-01-0 AB304721 |