3-Amino-4-(butylthio)-6-methylpyridazine 3-Pyridazinamine, 4-(butylthio)-3-methyl- (9CI) 4-(Butylthio)-3-methyl-3-pyridazinamine 82608-17-1 BRN 5738644 Pyridazine, 3-amino-4-(butylthio)-6-methyl-