2-(Trimethylammonio)ethylstigmastan-3-ol hydrogen phosphate, hydroxide, inner salt, (3beta,5alpha)- 98033-11-5 O-(Hydroxy(5alpha-stigmastan-3beta-yloxy)-phosphinyl)choline hydroxide, inner salt Ro 16-6532 ST-PC Stigmastan-3-ol, 2-(trimethylammonio)ethyl-, hydrogen phosphate, hydroxide, inner salt, (3beta,5alpha)- Stigmastanyl-phosphocholine Stigmastanyl-phosphorylcholine