4-Allyl-1-(1-(2-pyridyl)ethylidene)-3-thio-semicarbazide 70618-67-6 BRN 1466176 KETONE, METHYL 2-PYRIDYL, 4-ALLYL-3-THIOSEMICARBAZONE Semicarbazide, 4-allyl-1-(1-(2-pyrydyl)ethylidene)-3-thio-