32646-35-8 4-Ethyl-1-(1-(2-pyridyl)ethylidene)-3-thiosemicarbazide BRN 1533231 KETONE, METHYL 2-PYRIDYL, 4-ETHYL-3-THIOSEMICARBAZIDE Semicarbazide, 4-ethyl-1-(1-(2-pyridyl)ethylidene)-3-thio-