106647-94-3
(R)-ethyl 1-((S)-1,2-dihydroxyethyl)-6,7-dihydroxy-3,4-dihydroisoquinoline-2(1H)-carboxylate
→
106647-98-7
(R)-2-ethoxycarbonyl-1-formyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
2688-77-9
(S)-Laudanosine