37175-89-6 5-Acetonyl-5-allylbarbituric acid 5-amidinohydrazone hydrochloride Barbituric acid, 5-acetonyl-5-allyl-, 5-amidinohydrazone, hydrochloride Hydrazinecarboximidamide, 2-(2-(hexahydro-2,4,6-trioxo-5-(2-propenyl)-5-pyrimidinyl)-1-methylethylidene)-, hydrochloride N-(5-Allyl-5-propylidenebarbituryl)aminoguanidine hydrochloride