Match the following
| Column I | Column II |
| A. Isoquinoline | i. Chichibabin |
| B. Pyrrole | ii. Pictet- Spengler |
| C. 1,4-dihydropyridine | iii. Paal-Knorr |
| iv. Hantzsch |
1
(A)- i, (B)-ii, (C)- iv
2
(A)- ii, (B)-iii, (C)- iv
3
(A)- iii, (B)-i, (C)- iii
4
(A)- iv, (B)-iii, (C)- ii