(+)-Cyanustine 17958-39-3 BUTANOIC ACID, 2,3-DIHYDROXY-2-(1-METHYLETHYL)-, (2,3,5,7a-TETRAHYDRO-1H-PYRROLI Butanoic acid, 2,3-dihydroxy-2-(1-methylethyl)-, (2,3,5,7a-tetrahydro-1H-pyrrolizin-7-yl)methyl ester, hydrochloride, (7aR-(7(2S*,3S*),7aR*))- Cyanustine (8CI) Cynaustine hydrochloride