1,2,3,4-Tetrahydro-1-(phenylmethyl)isoquinoline 1-Benzyl-1,2,3,4-tetrahydroisoquinoline 19716-56-4 1BnTIQ AI3-61894 Isoquinoline, 1,2,3,4-tetrahydro-1-(phenylmethyl)- S49 Isoquinoline