Philanthotoxin 74 (hydrochloride) Philanthotoxin 74 dihydrochloride PhTx 74。2HCl Benzenepropanamide, N-[7-[(4-aminobutyl)amino]heptyl]-4-hydroxy-α-[(1-oxobutyl)amino]-, hydrochloride (1:2), (αS)- PhTx-74 dihydrochloride PhTx-74 diHCl