18786-24-8 3,4,5,6,16,17-Hexadehydro-16-(methoxycarbonyl)-19alpha-methyloxayohimbanium, salt with (R-(R*,R*))-tartaric acid (1:1) 58782-36-8 Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, ion(1-), (19alpha)-3,4,5,6,16,17-hexadehydro-16-(methoxycarbonyl)-19-methyloxayohimbanium Butanedioic acid, 2,3-dihydroxy-(R-(R*,R*))-, ion(1-), (19alpha)-3,4,5,6,16,17-hexadehydro-16-(methoxycarbonyl)-19-methyloxayohimbanium EINECS 261-441-4 Oxayohimbanium, 3,4,5,6,16,17-hexadehydro-16-(methoxycarbonyl)-19-methyl-, (19alpha)-, salt with (2R,3R)-2,3-dihydroxybutanedioic acid (1:1) Oxayohimbanium, 3,4,5,6,16,17-hexadehydro-16-(methoxycarbonyl)-19-methyl-, (19alpha)-, salt with (R-(R*,R*))-2,3-dihydroxybutanedioic acid (1:1) Serpentine hydrogen tartrate