1 2 3-propanetriol monoacetate July 8, 2019 16 32 64 128 1 2 3 propanetriol monoacetate 1 2 3-propanetriol 1-acetate 1 2 3-propanetriol diacetate 1 2 3-propanetriol 1 2 3-propanetriol common name