Consider the following three-step reaction pathway. Step 1: (CH3)3AuPH3 (CH3)3Au + PH3 (fast) Step 2: (CH3)3Au (CH3)Au + C2H6 (slow) Step 3: (CH3)Au + PH3 (CH3)AuPH3 (fast) Which is the correct list of reaction intermediates from the reaction pathway above? (CH3)3AuPH3, (CH3)3Au, and (CH3)Au PH3 and (CH3)Au (CH3)3AuPH3 and C2H6 PH3, (CH3)3Au, and (CH3)Au