Synonyms: 5b-Bufa-20,22-dienolide, 3b,14,16b-trihydroxy-, 16-acetate, 3®N2-ester with N2-(7-carboxyheptanoyl)-L-arginine(8CI); Arginine, N2-(7-carboxyheptanoyl)-, N2®3-ester with 3b,14,16b-trihydroxy-5b-bufa-20,22-dienolide 16-acetate, L- (8CI); L-Arginine,bufa-20,22-dienolide deriv.; Bufotalin 3-suberoylarginine ester; Bufotoxin;Vulgarobufotoxin