TY - RPRT TI - Pyrroles and related compounds. X. AU - Budzikiewicz, H. AU - Djerassi, C. AU - Jackson, A. H. AU - Kenner, G. W. AU - Wilson, J. M. PY - 1967 UR - https://ntrs.nasa.gov/citations/19680057992 ID - 19680057992 ER -