1-Hmtcca 1-Hydroxymethyl-tetrahydro-beta-carboline-3-carboxylic acid 143356-46-1 1H-Pyrido(3,4-b)indole-3-carboxylic acid, 2,3,4,9-tetrahydro-1-(hydroxymethyl)-, cis- 2,3,4,9-Tetrahydro-1-(hydroxymethyl)-1H-pyrido(3,4-b)indole-3-carboxylic acid cis-