Symphytine.
D000818:Animals; D002273:Carcinogens; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D005260:Female; D006801:Humans; D007928:Lethal Dose 50; D008297:Male; D009153:Mutagens; D011763:Pyrrolizidine Alkaloids / Q000633:toxicity*; D051381:Rats; D012306:Risk
D002273:Carcinogens; D009153:Mutagens; D011763:Pyrrolizidine Alkaloids; C020639:symphytine