4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxaldehyde;-Chloro-1H-pyrrolo[2,3-d]pyrimidine-5-carboxaldehyde;4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbaldehyde;7H-Pyrrolo[2,3-d]pyrimidine-5-carboxaldehyde, 4-chloro-;4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbaldehyde ISO 9001:2015 REACH;Pentanoicacid,2,7-dioxo-,methylester